# List of Liberty ships (M–R)

This section of List of Liberty ships is a sortable list of Liberty ships—cargo ships built in the United States during World War II—with names beginning with M through R.

## Description

The standard Liberty ship (EC-2-S-C1 type) was a cargo ship 441 feet 6 inches (134.57 m) long overall, with a beam of 56 feet 10+3⁄4 inches (17.34 m). It had a depth of 37 feet 4 inches (11.38 m) and a draft of 26 feet 10 inches (8.18 m). It was powered by a triple expansion steam engine, which had cylinders of 24+1⁄2 inches (62 cm), 37 inches (94 cm) and 70 inches (180 cm) diameter by 48 inches (120 cm) stroke. The engine produced 2,500ihp at 76rpm. Driving a four-blade propeller 18 feet 6 inches (5.64 m) in diameter, could propel the ship at 11 knots (20 km/h).
Cargo was carried in five holds, numbered 1–5 from bow to stern. Grain capacity was 84,183 cubic feet (2,383.8 m$^3$), 145,604 cubic feet (4,123.0 m$^3$), 96,429 cubic feet (2,730.6 m$^3$), 93,190 cubic feet (2,639 m$^3$) and 93,190 cubic feet (2,639 m$^3$), with a further 49,086 cubic feet (1,390.0 m$^3$) in the deep tanks. Bale capacity was 75,405 cubic feet (2,135.2 m$^3$), 134,638 cubic feet (3,812.5 m$^3$), 83,697 cubic feet (2,370.0 m$^3$), 82,263 cubic feet (2,329.4 m$^3$) and 82,435 cubic feet (2,334.3 m$^3$), with a further 41,135 cubic feet (1,164.8 m$^3$) in the deep tanks.
It carried a crew of 45, plus 36 United States Navy Armed Guard gunners. Later in the war, this was altered to a crew of 52, plus 29 gunners. Accommodation was in a three deck superstructure placed midships. The galley was equipped with a range, a 25 US gallons (95 L) stock kettle and other appliances. Messrooms were equipped with an electric hot plate and an electric toaster.

## M through R

| Ship name | Namesake | MC hull no. | Ship type | Laid down | Launched | Fate |
| SS M. E. Comerford | Michael E. Comerford | 2390 | standard | 10 November 1944 | 12 December 1944 | Scrapped 1970 |
| SS M. H. De Young | M. H. de Young | 1587 | standard | 15 June 1943 | 6 July 1943 | Torpedoed in the Pacific 1943, to U.S. Navy as Antelope (IX-109), scrapped 1950 |
| SS M. M. Guhin | Michael M. Guhin | 615 | standard | 5 December 1942 | 28 December 1942 | Scrapped 1973 |
| SS M. Michael Edelstein | M. Michael Edelstein | 2305 | standard | 28 April 1944 | 5 June 1944 | Sold private 1947, scrapped 1969 |
| SS Mack Bruton Bryan | Mack Bruton Bryan | 2893 | standard | 24 November 1944 | 30 December 1944 | Sold private 1947, scrapped 1967 |
| SS Mahlon Pitney | Mahlon Pitney | 942 | standard | 31 December 1942 | 11 February 1943 | Sold private 1968, converted to a crane barge |
| SS Malcolm M. Stewart | Malcolm M. Stewart | 645 | standard | 13 August 1942 | 21 September 1942 | Scrapped 1971 |
| SS Manasseh Cutler | Manasseh Cutler | 2094 | standard | 12 September 1943 | 27 September 1943 | Torpedoed and lost in the Gulf of Aden 1943 |
| SS Marcus Daly | Marcus Daly | 1697 | standard | 28 June 1943 | 24 July 1943 | Kamikazied in Leyte Gulf 1944, repaired, scrapped 1968 |
| SS Marcus H. Tracy | Marcus H. Tracy | 3046 | standard | 12 June 1944 | 31 July 1944 | Scrapped 1969 |
| SS Marcus Whitman | Marcus Whitman | 547 | standard | 22 May 1942 | 30 June 1942 | Torpedoed and lost off Brazil 1942 |
| SS Margaret Brent | Margaret Brent | 1787 | standard | 24 August 1943 | 18 September 1943 | Sold private 1947, converted to floating warehouse 1967 |
| SS Margaret Fuller | Margaret Fuller | 723 | standard | 6 February 1943 | 6 March 1943 | Scrapped 1967 |
| SS Maria Mitchell | Maria Mitchell | 722 | standard | 4 February 1943 | 4 March 1943 | Scrapped 1971 |
| SS Maria Sanford | Maria Sanford | 1562 | standard | 24 May 1943 | 20 June 1943 | Scrapped 1960 |
| SS Marie M. Meloney | Marie M. Meloney | 1778 | standard | 10 August 1943 | 4 September 1943 | Scrapped 1969 |
| SS Marion McKinley Bovard | Marion McKinley Bovard | 665 | standard | 4 October 1942 | 5 November 1942 | Scrapped 1960 |
| SS Mariscal Sucre | Mariscal Sucre | 2789 | standard | 30 March 1944 | 19 April 1944 | Scrapped 1968 |
| SS Mark A. Davis | Mark A. Davis | 3002 | standard | 31 January 1945 | 12 March 1945 | Scrapped 1967 |
| SS Mark Hanna | Mark Hanna | 573 | standard | 20 August 1942 | 20 September 1942 | Torpedoed off Dutch Guiana 1943, repaired, scrapped 1961 |
| SS Mark Hopkins | Mark Hopkins | 1231 | standard | 12 November 1942 | 17 January 1943 | Scrapped 1968 |
| SS Mark Keppel | Mark Keppel | 1639 | standard | 26 March 1943 | 18 April 1943 | Scrapped 1963 |
| SS Mark Twain | Mark Twain | 196 | standard | 5 April 1942 | 16 May 1942 | Scrapped 1959 |
| SS Marshall Elliott | Marshall Elliott | 866 | standard | 20 October 1942 | 27 November 1942 | Scrapped 1968 |
| SS Martha Berry | Martha Berry | 2873 | standard | 30 June 1944 | 19 August 1944 | Scrapped 1972 |
| SS Martha C. Thomas | Martha C. Thomas | 1845 | standard | 21 November 1943 | 14 December 1943 | Sold private 1947, scrapped 1963 |
| SS Martin Behrman | Martin Behrman | 2827 | standard | 25 October 1944 | 4 December 1944 | Scrapped 1965 |
| SS Martin Johnson | Martin Johnson | 2244 | standard | 17 March 1944 | 14 April 1944 | Sold private 1947, scrapped 1969 |
| SS Martin Van Buren | Martin Van Buren | 1851 | standard | 30 November 1943 | 21 December 1943 | Torpedoed and lost off Halifax 1944 |
| SS Mary A. Livermore | Mary A. Livermore | 2292 | standard | 4 November 1943 | 22 November 1943 | Kamikazied off Okinawa 1945, repaired, sold private 1947, renamed SS Myrto, scrapped 1968 |
| SS Mary Ashley Townsend | Mary Ashley Townsend | 1735 | tanker | 3 June 1943 | 25 July 1943 | Sold private 1948, scrapped 1968 |
| SS Mary Austin | Mary Austin | 858 | standard | 13 May 1943 | 19 June 1943 | Scrapped 1972 |
| SS Mary Ball | Mary Ball | 1534 | tank carrier, aircraft freighter | 20 July 1943 | 17 October 1943 | Scrapped 1972 |
| SS Mary Bickerdyke | Mary Bickerdyke | 2116 | standard | 5 October 1943 | 27 October 1943 | Sold private 1947, wrecked 1948, declared total loss but repaired, sunk 1966 |
| SS Mary Cassatt | Mary Cassatt | 1553 | standard | 17 April 1943 | 16 May 1943 | To Russia 1943 as Odessa, still afloat as a storage facility in Vladivostok |
| SS Mary Cullom Kimbro | Mary Cullom Kimbro | 2349 | boxed aircraft transport | 21 February 1945 | 6 April 1945 | To U.S. Army 1945 as Corporal Eric G. Gibson, scuttled 1967 in the Atlantic with obsolete equipment |
| SS Mary E. Kinney | Mary E. Kinney | 2577 | standard | 14 December 1943 | 29 December 1943 | Scrapped 1963 |
| SS Mary Lyon | Mary Lyon | 787 | standard | 8 March 1943 | 3 May 1943 | Sold private 1947, sunk 1963 |
| SS Mary M. Dodge | Mary M. Dodge | 2138 | standard | 4 August 1943 | 25 August 1943 | Sold private 1947, scrapped 1969 |
| SS Mary Patten | Mary Patten | 1725 | standard | 21 July 1943 | 11 August 1943 | To U.S. Navy as Azimech (AK-124), scrapped 1972 |
| SS Mary Pickersgill | Mary Pickersgill | 2654 | standard | 27 May 1944 | 29 June 1944 | Sold private 1947, scrapped 1971 |
| SS Mary Walker | Mary Walker | 2289 | standard | 30 October 1943 | 18 November 1943 | Sold private 1947, scrapped 1963 |
| SS Mary Wilkins Freeman | Mary Wilkins Freeman | 2192 | standard | 1 October 1943 | 13 November 1943 | Sold private 1947, scrapped 1966 |
| USS Masbate (ARG-15) | Masbate | 2666 | standard | 1 July 1944 | 5 August 1944 | To U.S. Navy as ARG-15, then Webster (ARV-2), reefed off Cape Henry 1977 |
| SS Mason L. Weems | Mason L. Weems | 1928 | tanker | 1 November 1943 | 17 December 1943 | To U.S. Navy as Moose (IX-124), sold private 1948, wrecked and scrapped 1965 |
| SS Matt W. Ransom | Matt W. Ransom | 887 | standard | 9 January 1943 | 6 February 1943 | Torpedoed off Casablanca, repaired, sunk as Mulberry breakwater off Normandy 6 June 1944 |
| SS Mathew B. Brady | Mathew B. Brady | 1117 | standard | 23 April 1943 | 18 May 1943 | Scrapped 1960 |
| SS Matthew Brush | Matthew Brush | 1766 | standard | 18 July 1943 | 14 August 1943 | Sold private 1947, scrapped 1971 |
| SS Matthew J. O'Brien | Matthew J. O'Brien | 1965 | standard | 12 October 1943 | 20 November 1943 | Scrapped 1966 |
| SS Matthew Lyon | Matthew Lyon | 535 | standard | 18 March 1943 | 11 April 1943 | Torpedoed in the Pacific 1943, to U.S. Navy as Zebra (IX-107) 1944, scrapped 1972 |
| SS Matthew Maury | Matthew Maury | 97 | standard | 25 July 1941 | 29 April 1942 | Torpedoed off Algeria 1943, repaired, scrapped 1961 |
| SS Matthew P. Deady | Matthew P. Deady | 545 | standard | 11 May 1942 | 23 June 1942 | Kamikazied off Leyte 1944, repaired, scrapped 1961 |
| SS Matthew Sheehan | Matthew Sheehan | 3075 | standard | 23 September 1944 | 4 November 1944 | Scrapped 1972 |
| SS Matthew T. Goldsboro | Matthew T. Goldsboro | 898 | standard | 13 February 1943 | 15 March 1943 | Scrapped 1969 |
| SS Matthew Thornton | Matthew Thornton | 262 | standard | 30 June 1942 | 12 August 1942 | Scrapped 1971 |
| SS Mayo Brothers | Charles and William Mayo | 318 | standard | 28 October 1942 | 14 December 1942 | Scrapped 1965 |
| SS Mello Franco | Afranio de Mello Franco | 2281 | standard | 18 April 1944 | 6 May 1944 | Sold private 1947, scrapped 1969 |
| USS Melucta (AK-131) | Melucta | 2470 | standard | 21 January 1944 | 20 March 1944 | To U.S. Navy as AK-131, scrapped 1970 |
| SS Melvil Dewey | Melvil Dewey | 1849 | standard | 26 November 1943 | 18 December 1943 | Sold private 1947, burnt and scrapped 1967 |
| SS Melville E. Stone | Melville E. Stone | 1715 | standard | 2 July 1943 | 24 July 1943 | Torpedoed and lost off Panama 1943 |
| SS Melville Jacoby | Melville Jacoby | 3119 | standard | 27 October 1943 | 18 January 1944 | Sold private 1947, declared total loss 1961, scrapped |
| SS Melville W. Fuller | Melville W. Fuller | 504 | standard | 13 October 1942 | 15 November 1942 | To U.S. Navy as Cassiopeia (AK-75), sunk as target 1961 |
| SS Mercy Warren | Mercy Warren | 2201 | standard | 11 October 1943 | 24 November 1943 | Scrapped 1971 |
| SS Meriwether Lewis | Meriwether Lewis | 170 | standard | 19 May 1941 | 19 October 1941 | Torpedoed and lost in the North Atlantic 1943 |
| SS Merrimac Seam | Merrimac Seam | 2847 | collier | 12 January 1945 | 13 March 1945 | Sold private 1947, scrapped 1970 |
| SS Meyer Lissner | Meyer Lissner | 2541 | standard | 9 November 1943 | 4 December 1943 | Sold private 1947, scrapped 1968 |
| SS Meyer London | Meyer London | 2585 | standard | 27 December 1943 | 24 January 1944 | Torpedoed and lost off Libya 1944 |
| SS Miaoulis | Miaoulis | 3031 | standard | 20 April 1944 | 7 June 1944 | Sold private 1947, scrapped 1967 |
| SS Michael Anagnos | Michael Anagnos | 3058 | standard | 31 July 1944 | 18 September 1944 | Sold private 1947, scrapped 1973 |
| SS Michael C. Kerr | Michael C. Kerr | 2118 | standard | 13 October 1943 | 30 October 1943 | Scrapped 1969 |
| SS Michael Casey | Michael Casey | 2101 | standard | 15 August 1943 | 9 September 1943 | Sold private 1947, laid up in Greece |
| SS Michael De Kovats | Michael De Kovats | 2495 | standard | 9 August 1944 | 16 September 1944 | Scrapped 1972 |
| SS Michael J. Owens | Michael J. Owens | 2958 | standard | 3 August 1944 | 9 September 1944 | Sold private 1947, wrecked and scrapped 1961 |
| SS Michael J. Stone | Michael J. Stone | 99 | standard | 23 October 1941 | 22 May 1942 | Torpedoed off Gibraltar 1945, repaired, scrapped 1960 |
| SS Michael James Monohan | Michael James Monohan | 2335 | boxed aircraft transport | 22 November 1944 | 4 January 1945 | To U.S. Navy 1967 scuttled in the Atlantic with obsolete Polaris motors |
| SS Michael Moran | Michael Moran | 3050 | standard | 28 June 1944 | 16 August 1944 | Scuttled with obsolete ammo 1958 |
| SS Michael Pupin | Michael Pupin | 1554 | standard | 18 April 1943 | 19 May 1943 | Scrapped 1962 |
| SS Midwest Farmer | Farmers in the Midwestern United States | 2082 | standard | 26 August 1943 | 10 September 1943 | Scrapped 1961 |
| SS Miguel Hidalgo | Miguel Hidalgo | 1636 | standard | 19 March 1943 | 14 April 1943 | Scrapped 1958 |
| SS Milan R. Stefanik | Milan Rastislav Štefánik | 2679 | standard | 26 August 1944 | 27 September 1944 | Sold private 1947, wrecked and scrapped 1964 |
| SS Millen Griffith | Millen Griffith | 2129 | standard | 26 November 1943 | 18 December 1943 | Scrapped 1958 |
| SS Milton B. Medary | Milton B. Medary | 2798 | standard | 17 May 1944 | 8 July 1944 | Scrapped 1966 |
| SS Milton H. Smith | Milton H. Smith | 2803 | standard | 22 June 1944 | 31 July 1944 | Scrapped 1972 |
| SS Milton J. Foreman | Milton J. Foreman | 2882 | standard | 8 September 1944 | 21 October 1944 | Sold private 1947, scrapped 1965 |
| SS Mingo Seam | Mingo Seam | 2861 | collier | 9 May 1945 | 17 July 1945 | Sold private 1947, scrapped 1967 |
| SS Minnie M. Fiske | Minnie M. Fiske | 1547 | standard | 8 December 1943 | 29 January 1944 | Scrapped 1966 |
| SS Minor C. Keith | Minor C. Keith | 2928 | standard | 28 March 1944 | 8 May 1944 | Sold private 1947, scrapped 1969 |
| SS Mirabeau B. Lamar | Mirabeau B. Lamar | 267 | standard | 30 December 1941 | 19 June 1942 | Scrapped 1963 |
| SS Moina Michael | Moina Michael | 2885 | standard | 29 September 1944 | 9 November 1944 | Scrapped 1971 |
| SS Mollie Moore Davis | Mollie Moore Davis | 2458 | standard | 11 February 1944 | 27 March 1944 | To U.S. Navy as Burias (ARG-13), to NDRF 1946, scrapped 1970 |
| SS Molly Pitcher | Molly Pitcher | 935 | standard | 12 December 1942 | 30 January 1943 | Torpedoed and lost west of Lisbon 1943 |
| USS Mona Island (ARG-9) | Mona Island | 2634 | standard | 10 April 1944 | 11 May 1944 | To U.S. Navy as ARG-9, wrecked on Okinawa 1945 but repaired, reefed off Wachapreague 1975 |
| SS Montfort Stokes | Montfort Stokes | 2000 | standard | 16 July 1943 | 14 August 1943 | Sold private 1947, scrapped 1962 |
| SS Morgan Robertson | Morgan Robertson | 2741 | standard | 10 January 1944 | 28 January 1944 | Sold private 1947, scrapped 1973 |
| SS Morris C. Feinstone | Morris C. Feinstone | 2499 | standard | 5 September 1944 | 10 October 1944 | Scrapped 1972 |
| SS Morris Hillquit | Morris Hillquit | 2419 | standard | 24 December 1943 | 27 January 1944 | Sold private 1947, scrapped 1966 |
| SS Morris Sheppard | Morris Sheppard | 2910 | standard | 13 December 1943 | 3 February 1944 | Sold private 1947, scrapped 1978 |
| SS Morris Sigman | Morris Sigman | 2586 | standard | 30 December 1943 | 2 February 1944 | Sold private 1947, scrapped 1968 |
| SS Morrison R. Waite | Morrison R. Waite | 503 | standard | 8 October 1942 | 10 November 1942 | Kamikazied in Leyte Gulf 1944, repaired, scrapped 1963 |
| SS Morton M. McCarver | Morton M. McCarver | 1595 | standard | 19 January 1943 | 18 February 1943 | Scrapped 1967 |
| SS Morton Prince | Morton Prince | 1893 | tanker | 13 September 1943 | 14 October 1943 | Sold private 1947, scrapped 1971 |
| SS Moses Austin | Moses Austin | 843 | standard | 25 February 1943 | 10 April 1943 | Sold private 1947, scrapped 1969 |
| SS Moses Brown | Moses Brown | 1462 | standard | 26 February 1943 | 10 May 1943 | Scrapped 1961 |
| SS Moses Cleaveland | Moses Cleaveland | 1750 | standard | | 4 February 1943 Delivered | Grain storage 1950s, sold for scrap 6 February 1961 |
| SS Moses G. Farmer | Moses G. Farmer | 2731 | standard | 23 December 1943 | 13 January 1944 | Scrapped 1962 |
| SS Moses Rogers | Moses Rogers | 492 | standard | 30 July 1942 | 13 September 1942 | Scrapped 1971 |
| SS Murat Halstead | Murat Halstead | 2102 | standard | 19 August 1943 | 13 September 1943 | Torpedoed and lost in the Arabian Sea 1944 |
| SS Murray M. Blum | Murray M. Blum | 2381 | standard | 19 September 1944 | 25 October 1944 | Scrapped 1971 |
| SS Myron T. Herrick | Myron T. Herrick | 1700 | standard | 9 July 1943 | 4 August 1943 | Scrapped 1961 |
| SS Nachman Syrkin | Nachman Syrkin | 2830 | standard | 13 November 1944 | 23 December 1944 | Sold private 1951, scrapped 1967 |
| SS Nancy Hanks | Nancy Hanks | 455 | standard | 21 December 1942 | 24 January 1943 | Scrapped 1958 |
| SS Napoleon B. Broward | Napoleon B. Broward | 1214 | standard | 16 October 1943 | 30 November 1943 | To U.S. Navy as Matar (AK-119), scrapped 1972 |
| SS Narcissa Whitman | Narcissa Whitman | 2574 | standard | 3 December 1943 | 18 December 1943 | Scrapped 1961 |
| SS Nathan B. Forrest | Nathan B. Forrest | 1539 | tank carrier | 2 October 1943 | 13 November 1943 | Scrapped 1973 |
| SS Nathan Clifford | Nathan Clifford | 944 | standard | 1 January 1943 | 18 February 1943 | Sold private 1947, sunk 1965 |
| SS Nathan Hale | Nathan Hale | 72 | standard | 29 September 1941 | 4 February 1942 | Mined off Gorgona 1946 and scrapped |
| SS Nathan S. Davis | Nathan S. Davis | 2740 | standard | 8 January 1944 | 27 January 1944 | Sold private 1947, scrapped 1962 |
| SS Nathan Towson | Nathan Towson | 1008 | standard | 28 May 1943 | 28 June 1943 | Scrapped 1974 |
| SS Nathanael Greene | Nathanael Greene | 146 | standard | 22 May 1941 | 17 January 1942 | Torpedoed off Oran and beached 1943, TL |
| SS Nathaniel Alexander | Nathaniel Alexander | 167 | standard | 2 August 1942 | 4 October 1942 | Sold private 1947, scrapped 1968 |
| SS Nathaniel B. Palmer | Nathaniel B. Palmer | 1903 | tanker | 5 October 1943 | 2 November 1943 | To U.S. Navy as mobile base storage tanker Caribou (IX-114), sold private 1948, wrecked 1952, repaired, scrapped 1962 |
| SS Nathaniel Bacon | Nathaniel Bacon | 11 | standard | 1 July 1942 | 3 September 1942 | Wrecked 1942, repaired, CTL 1946, salvaged, converted 1951, scrapped 1963 |
| SS Nathaniel Bowditch | Nathaniel Bowditch | 429 | standard | 3 October 1942 | 10 November 1942 | Scrapped 1960 |
| SS Nathaniel Crosby | Nathaniel Crosby | 2078 | standard | 19 August 1943 | 5 September 1943 | Scrapped 1970 |
| SS Nathaniel Currier | Nathaniel Currier | 529 | standard | 10 February 1943 | 11 March 1943 | Scrapped 1971 |
| SS Nathaniel Hawthorne | Nathaniel Hawthorne | 187 | standard | 5 February 1942 | 31 March 1942 | Torpedoed and lost off Trinidad 1942 |
| SS Nathaniel J. Wyeth | Nathaniel J. Wyeth | 1598 | standard | 31 January 1943 | 24 February 1943 | To U.S. Navy as De Grasse (AP-164), scrapped 1970 |
| SS Nathaniel Macon | Nathaniel Macon | 880 | standard | 13 December 1942 | 17 January 1943 | Sold private 1947, wrecked 1952, CTL but repaired, scrapped 1969 |
| SS Nathaniel Scudder | Nathaniel Scudder | 2938 | standard | 12 May 1944 | 15 June 1944 | To U.S. Army 1944, aircraft repair ship Brigadier General Alfred J. Lyon |
| SS Nathaniel Silsbee | Nathaniel Silsbee | 2940 | standard | 18 May 1944 | 23 June 1944 | Scrapped 1972 |
| SS Negley D. Cochran | Negley D. Cochran | 2492 | standard | 19 July 1944 | 29 August 1944 | Sold private, sunk 1969 |
| SS Neils Poulson | Neils Poulson | 2371 | standard | 6 July 1944 | 18 August 1944 | Mined off Gorgona 1946, CTL, scrapped 1948 |
| SS Nelson Aldrich | Nelson Aldrich | 3123 | standard | 18 November 1943 | 2 April 1944 | Scrapped 1968 |
| SS Nelson Dingley | Nelson Dingley | 810 | standard | 10 June 1943 | 20 July 1943 | Sold private 1947, scrapped 1972 |
| SS Newton D. Baker | Newton D. Baker | 1520 | standard | 3 September 1942 | 25 February 1943 | Scrapped 1968 |
| SS Nicholas Biddle | Nicholas Biddle | 917 | standard | 11 August 1942 | 22 September 1942 | Scrapped 1963 |
| SS Nicholas D. Labadie | Nicholas D. Labadie | 2929 | standard | 31 March 1944 | 11 May 1944 | Scrapped 1962 |
| SS Nicholas Gilman | Nicholas Gilman | 103 | standard | 4 May 1942 | 25 July 1942 | Scrapped 1963 |
| SS Nicholas Herkimer | Nicholas Herkimer | 1052 | standard | 8 April 1943 | 8 June 1943 | Scrapped 1967 |
| SS Nicholas J. Sinnott | Nicholas J. Sinnott | 2035 | standard | 3 June 1943 | 23 June 1943 | Sold private 1947, scrapped 1966 |
| SS Nicholas Longworth | Nicholas Longworth | 1908 | tanker | 16 October 1943 | 15 November 1943 | To U.S. Navy as mobile base storage tanker Ibex (IX-119), sold private 1948, wrecked and scrapped 1966 |
| SS Nick Stoner | Nick Stoner | 2307 | standard | 12 May 1944 | 17 June 1944 | Scrapped 1964 |
| SS Nikola Tesla | Nikola Tesla | 1792 | standard | 31 August 1943 | 25 September 1943 | Sold private 1947, scrapped 1970 |
| SS Noah Brown | Noah Brown | 2481 | standard | 28 April 1944 | 8 June 1944 | Sold private 1947, scrapped 1969 |
| SS Noah H. Swayne | Noah H. Swayne | 500 | standard | 20 September 1942 | 28 October 1942 | To U.S. Navy as Arided (AK-73), scrapped 1962 |
| SS Noah Webster | Noah Webster | 776 | standard | 12 November 1942 | 31 January 1943 | Reefed off Alabama 1976 |
| SS Norman Edward Mack | Norman E. Mack | 2169 | standard | 26 September 1943 | 16 October 1943 | Scrapped 1971 |
| SS Norman Hapgood | Norman Hapgood | 2167 | standard | 24 September 1943 | 13 October 1943 | Sold private 1947, scrapped 1973 |
| SS Norman J. Colman | Norman J. Colman | 2285 | standard | 23 April 1944 | 13 May 1944 | Scrapped 1971 |
| SS Norman O. Pedrick | Norman O. Pedrick | 1932 | tanker | 13 November 1943 | 7 January 1944 | To U.S. Navy as mobile base storage tanker Stag (IX-128), then distilling ship AW 1, to NDRF 1946, scrapped 1970 |
| SS O. B. Martin | O. B. Martin | 2926 | standard | 20 March 1944 | 28 April 1944 | Scrapped 1973 |
| SS O. Henry | O. Henry | 486 | standard | 8 June 1942 | 8 August 1942 | Scrapped 1962 |
| SS O. L. Bodenhamer | O. L. Bodenhamer | 2800 | standard | 20 June 1944 | 2 August 1944 | Reefed off Miami, Florida, 1976 |
| SS Oakley Wood | Oakley Wood | 2650 | standard | 19 May 1944 | 19 June 1944 | Sold private 1947, wrecked and abandoned 1967 |
| SS Ole E. Rolvaag | Ole Edvart Rølvaag | 1574 | standard | 22 May 1943 | 13 June 1943 | Scrapped 1971 |
| SS Oliver Ellsworth | Oliver Ellsworth | 42 | standard | 31 March 1942 | 4 June 1942 | Torpedoed and scuttled in the Greenland Sea 1942 |
| SS Oliver Evans | Oliver Evans | 1109 | standard | 4 April 1943 | 2 May 1943 | Scrapped 1959 |
| SS Oliver Hazard Perry | Oliver Hazard Perry | 278 | standard | 15 September 1941 | 18 February 1942 | Scrapped 1971 |
| SS Oliver Kelley | Oliver Kelley | 2725 | standard | 14 December 1943 | 4 January 1944 | Scrapped 1959 |
| SS Oliver Loving | Oliver Loving | 2936 | standard | 4 May 1944 | 6 June 1944 | Scrapped 1970 |
| SS Oliver Wendell Holmes | Oliver Wendell Holmes | 194 | standard | 26 March 1942 | 7 May 1942 | Scrapped 1970 |
| SS Oliver Westover | Oliver Westover | 3109 | standard | 14 March 1945 | 3 May 1945 | Sold private 1947, scrapped 1968 |
| SS Oliver Wolcott | Oliver Wolcott | 256 | standard | 22 May 1942 | 7 August 1942 | Scrapped 1961 |
| SS Omar E. Chapman | Omar E. Chapman | 2193 | standard | 1 September 1943 | 21 October 1943 | Scrapped 1972 |
| SS Opie Read | Opie Read | 1929 | tanker | 19 October 1943 | 3 December 1943 | To U.S. Navy as mobile base storage tanker Panda (IX-125), sold private 1948, scrapped 1968 |
| SS Ora Ellis | Ora Ellis | 3148 | boxed aircraft transport | 23 July 1945 | 26 September 1945 | Sold private 1947, sunk 1960 |
| SS Oran M. Roberts | Oran M. Roberts | 1940 | standard | 4 June 1943 | 15 July 1943 | Reefed off Alabama 1974 |
| SS Orland Loomis | Orland Loomis | 1912 | standard | 21 October 1943 | 16 November 1943 | Scrapped 1972 |
| SS Orson D. Munn | Orson Desaix Munn | 1888 | tanker | 30 August 1943 | 30 September 1943 | Sold private 1947, wrecked and scrapped 1964 |
| SS Orville P. Taylor | Orville P. Taylor | 1777 | standard | 9 August 1943 | 3 September 1943 | Sold private 1947, scrapped 1967 |
| SS Oscar Chappell | Oscar Chappell | 1962 | standard | 29 September 1943 | 10 November 1943 | Scrapped 1958 |
| SS Oscar F. Barrett | Oscar F. Barrett | 1885 | tanker | 16 August 1943 | 18 September 1943 | Sold private 1947, scrapped 1971 |
| SS Oscar S. Straus | Oscar S. Straus | 1918 | tanker | 16 August 1943 | 4 October 1943 | Sold private 1947, scrapped 1970 |
| SS Oscar Underwood | Oscar Underwood | 2238 | standard | 14 January 1944 | 8 February 1944 | Sold private 1947, scrapped 1972 |
| SS Otis E. Hall | Otis E. Hall | 2973 | standard | 7 October 1944 | 13 November 1944 | Scrapped 1968 |
| SS Otis Skinner | Otis Skinner | 2130 | standard | 29 November 1943 | 19 December 1943 | Sold private 1947, scrapped 1967 |
| SS Otto Mears | Otto Mears | 2157 | standard | 8 September 1943 | 26 September 1943 | Sold private 1947, wrecked and scrapped 1967 |
| SS Ovid Butler | Ovid Butler | 2693 | standard | 20 May 1944 | 7 June 1944 | Scrapped 1965 |
| SS Owen Summers | Owen Summers | 1592 | standard | 13 January 1943 | 11 February 1943 | Scrapped 1961 |
| SS Owen Wister | Owen Wister | 1216 | standard | 2 November 1943 | 14 December 1943 | Scrapped 1964 |
| SS P. T. Barnum | P. T. Barnum | 1655 | standard | 23 April 1943 | 14 May 1943 | Scrapped 1961 |
| SS Paine Wingate | Paine Wingate | 79 | standard | 31 January 1942 | 21 April 1942 | Scrapped 1973 |
| USS Palawan (ARG-10) | Palawan | 2668 | standard | 10 July 1944 | 12 August 1944 | To U.S. Navy as ARG-10, reefed off Redondo Beach CA 1977 |
| SS Park Benjamin | Park Benjamin | 3008 | standard | 29 January 1944 | 19 March 1944 | Scrapped 1959 |
| SS Park Holland | Park Holland | 823 | standard | 30 July 1943 | 14 September 1943 | Caught fire and destroyed 1947 |
| SS Pat Harrison | Pat Harrison | 143 | standard | 8 November 1942 | 24 December 1942 | Mined off Gibraltar 1943, declared total loss, scrapped 1951 |
| SS Patrick B. Whalen | Patrick B. Whalen | 2404 | standard | 29 January 1945 | 15 March 1945 | Sold private 1947, scrapped 1967 |
| SS Patrick C. Boyle | Patrick C. Boyle | 1786 | standard | 22 August 1943 | 15 September 1943 | Scrapped 1960 |
| SS Patrick H. Morrissey | Patrick H. Morrissey | 1507 | standard | 23 October 1943 | 9 December 1943 | Sold private 1947, scrapped 1967 |
| SS Patrick Henry | Patrick Henry | 14 | standard | 30 April 1941 | 27 September 1941 | Scrapped 1958 |
| SS Patrick S. Mahoney | Patrick S. Mahoney | 2400 | standard | 30 December 1944 | 10 February 1945 | Scrapped 1960 |
| SS Paul Buck | Paul Buck | 3084 | standard | 4 November 1944 | 17 December 1944 | Scrapped 1966 |
| SS Paul Bunyan | Paul Bunyan | 2966 | standard | 5 September 1944 | 17 October 1944 | Scrapped 1971 |
| SS Paul Chandler | Paul Chandler | 2230 | standard | 31 August 1943 | 24 September 1943 | Sold private 1947, scrapped 1971 |
| SS Paul David Jones | Paul David Jones | 2977 | standard | 20 October 1944 | 24 November 1944 | Scrapped 1967 |
| SS Paul Dunbar | Paul Dunbar | 1897 | tanker | 18 September 1943 | 19 October 1943 | To Russia 1944 as Byelgorod, returned 1946, later Morris Hess, Palatiani, Andros Pearl, Ilissos, Elena and Orient Importer, scrapped 1969 |
| SS Paul Hamilton | Paul Hamilton | 227 | standard | 30 August 1942 | 20 October 1942 | Torpedoed and lost off Algiers 1944 |
| SS Paul Hamilton Hayne | Paul Hamilton Hayne | 865 | standard | 15 October 1942 | 24 November 1942 | Sold private 1947, scrapped 1967 |
| SS Paul Revere | Paul Revere | 68 | standard | 10 July 1941 | 21 December 1941 | Scrapped 1965 |
| SS Paul Tulane | Paul Tulane | 1923 | tanker | 28 September 1943 | 6 November 1943 | To U.S. Navy as mobile base storage tanker Kangaroo (IX-121), sold private 1948, scrapped 1969 |
| SS Pearl Harbor | Pearl Harbor | 927 | standard | 10 November 1942 | 7 December 1942 | Scrapped 1962 |
| SS Pedro Menendez | Pedro Menendez | 2313 | standard | 24 June 1944 | 31 July 1944 | Scrapped 1966 |
| SS Peleg Wadsworth | Peleg Wadsworth | 2203 | standard | 1 November 1943 | 12 December 1943 | Sold private 1947, renamed Samtampa, wrecked on Tusker Rock and scrapped 1947 |
| SS Penelope Barker | Penelope Barker | 868 | standard | 28 October 1942 | 1 December 1942 | Torpedoed and lost in the Barents Sea 1944 |
| SS Percy D. Haughton | Percy D. Haughton | 2199 | standard | 11 October 1943 | 24 November 1943 | Scrapped 1962 |
| SS Percy E. Foxworth | Percy E. Foxworth | 2747 | standard | 19 January 1944 | 8 February 1944 | Scrapped 1969 |
| SS Pere Marquette | Pere Marquette | 452 | standard | 12 December 1942 | 14 January 1943 | Scrapped 1971 |
| SS Peregrine White | Peregrine White | 824 | standard | 30 July 1943 | 14 September 1943 | Sold private 1947, scrapped 1970 |
| SS Peter Cartwright | Peter Cartwright | 632 | standard | 3 July 1942 | 15 August 1942 | Scrapped 1961 |
| SS Peter Cooper Hewitt | Peter Cooper Hewitt | 2114 | standard | 30 September 1943 | 22 October 1943 | Sold private 1947, scrapped 1967 |
| SS Peter Cooper | Peter Cooper | 1769 | standard | 24 July 1943 | 25 August 1943 | Sold private 1947, scrapped 1971 |
| SS Peter De Smet | Pierre-Jean De Smet | 2070 | standard | 5 August 1943 | 24 August 1943 | Scrapped 1968 |
| SS Peter Donahue | Peter Donahue | 1234 | standard | 21 December 1942 | 12 February 1943 | Scrapped 1963 |
| SS Peter H. Burnett | Peter H. Burnett | 300 | standard | 29 June 1942 | 10 August 1942 | Torpedoed near the Cook Islands 1943, repaired, to U.S. Navy as mobile base dry storage ship USS Peter H. Burnett (IX-104), scrapped 1959 |
| SS Peter J. McGuire | Peter J. McGuire | 325 | standard | 22 July 1942 | 7 September 1942 | Scrapped 1968 |
| SS Peter Lassen | Peter Lassen | 2243 | standard | 11 March 1944 | 7 April 1944 | Sold private 1947, scrapped 1968 |
| SS Peter Minuit | Peter Minuit | 35 | standard | 28 January 1942 | 23 April 1942 | Scrapped 1963 |
| SS Peter Moran | Peter Moran | 2584 | standard | 10 January 1944 | 28 January 1944 | Scrapped 1961 |
| SS Peter Silvester | Peter Silvester | 288 | standard | 31 March 1942 | 27 May 1942 | Torpedoed by U-862 and lost in the Indian Ocean 6 February 1945 |
| SS Peter Skene Ogden | Peter Skene Ogden | 595 | standard | 18 October 1942 | 14 November 1942 | Torpedoed off Algeria 1944, scrapped |
| SS Peter Stuyvesant | Peter Stuyvesant | 1212 | standard | 27 September 1943 | 16 November 1943 | To U.S. Navy as Crux (AK-115), scrapped 1962 |
| SS Peter Trimble Rowe | Peter Trimble Rowe | 2181 | standard | 16 October 1943 | 4 November 1943 | Scrapped 1962 |
| SS Peter V. Daniel | Peter V. Daniel | 661 | standard | 25 September 1942 | 28 October 1942 | Scrapped 1963 |
| SS Peter White | Peter White | 2256 | standard | 4 October 1943 | 23 October 1943 | Mined off Leyte 1945, scrapped 1949 |
| SS Peter Zenger | Peter Zenger | 1527 | standard | 31 March 1943 | 4 July 1943 | Scrapped 1966 |
| SS Philander C. Knox | Philander C. Knox | 1028 | standard | 9 January 1943 | 24 February 1943 | Scrapped 1961 |
| SS Philip C. Shera | Philip C. Shera | 2545 | standard | 13 November 1943 | 11 December 1943 | Sold private 1947, scrapped 1969 |
| SS Philip Doddridge | Philip Doddridge | 1971 | standard | 18 April 1943 | 13 May 1943 | Sold private 1947, scrapped 1969 |
| SS Philip F. Thomas | Philip F. Thomas | 1781 | standard | 13 August 1943 | 7 September 1943 | Sold private 1947, sunk 1956 |
| SS Philip H. Sheridan | Philip H. Sheridan | 326 | standard | 24 July 1942 | 9 September 1942 | Scrapped 1969 |
| SS Philip Kearny | Philip Kearny | 1227 | standard | 10 August 1942 | 7 December 1942 | Scrapped 1969 |
| SS Philip Livingston | Philip Livingston | 177 | standard | 18 July 1941 | 21 December 1941 | Sold private 1947, scrapped 1969 |
| SS Philip P. Barbour | Philip P. Barbour | 660 | standard | 23 September 1942 | 26 October 1942 | Scrapped 1971 |
| SS Philip Schuyler | Philip Schuyler | 181 | standard | 19 November 1941 | 15 February 1942 | Scrapped 1967 |
| SS Phineas Banning | Phineas Banning | 711 | standard | 12 January 1943 | 9 February 1943 | Scrapped 1967 |
| SS Phoebe A. Hearst | Phoebe A. Hearst | 694 | standard | 9 December 1942 | 7 January 1943 | Torpedoed and lost near Fiji 1943 |
| SS Pierce Butler | Pierce Butler | 306 | standard | 27 June 1942 | 18 August 1942 | Torpedoed and lost in the Indian Ocean 1942 |
| SS Pierre Gibault | Pierre Gibault | 1608 | standard | 22 February 1943 | 15 March 1943 | Mined off Rhodes 1945, scrapped 1949 |
| SS Pierre Laclede | Pierre Laclede | 507 | standard | 29 October 1942 | 29 November 1942 | Scrapped 1970 |
| SS Pierre L'Enfant | Pierre L'Enfant | 1001 | standard | 17 May 1943 | 11 June 1943 | Sold private 1947, wrecked and abandoned 1970 |
| SS Pierre S. Dupont | Pierre S. Dupont | 567 | standard | 1 August 1942 | 27 August 1942 | Scrapped 1971 |
| SS Pierre Soule | Pierre Soule | 320 | standard | 15 December 1942 | 30 January 1943 | Torpedoed off Palermo 1943, repaired, scrapped 1969 |
| SS Pio Pico | Pio Pico | 696 | standard | 13 December 1942 | 11 January 1943 | Scrapped 1960 |
| SS Pittsburgh Seam | Pittsburgh coal seam | 2862 | collier | 30 April 1945 | 11 July 1945 | Sold private 1947, disposition unknown |
| SS Pleasant Armstrong | Pleasant M. Armstrong | 2022 | standard | 10 May 1943 | 30 May 1943 | To Russia 1943 as Vladivostok, later Uelen, scrapped 1976 |
| SS Pocahontas | Pocahontas | 871 | standard | 11 November 1942 | 13 December 1942 | Scrapped 1960 |
| SS Pocahontas Seam | Pocahontas Seam | 2853 | collier | 1 March 1945 | 28 April 1945 | Sold private 1947, scrapped 1972 |
| SS Ponce De Leon | Ponce De Leon | 1193 | standard | 15 August 1942 | 14 March 1943 | Scrapped 1962 |
| SS Pontus H. Ross | Pontus H. Ross | 2971 | standard | 29 September 1944 | 2 November 1944 | Scrapped 1969 |
| SS Powellton Seam | Powellton Seam | 2855 | collier | 14 March 1945 | 8 May 1945 | Sold private 1947, scrapped 1963 |
| SS Prince L. Campbell | Prince L. Campbell | 2093 | standard | 10 September 1943 | 25 September 1943 | Scrapped 1970 |
| SS Priscilla Alden | Priscilla Alden | 1813 | standard | 3 October 1943 | 25 October 1943 | Sold private 1947, scrapped 1968 |
| USS Propus (AK-132) | Propus | 2471 | standard | 31 January 1944 | 29 March 1944 | To U.S. Navy as AK-132, sold private 1947, burnt 1951, declared total loss but repaired, scrapped 1970 |
| SS R. C. Brennan | R. C. Brennan | 2017 | standard | 2 May 1943 | 21 May 1943 | Scrapped 1960 |
| SS R. F. Peckham | R. F. Peckham | 2180 | standard | 14 October 1943 | 2 November 1943 | Damaged in collision 1945, repaired, sold private 1950, scrapped 1976 |
| SS R. J. Reynolds | R. J. Reynolds | 2377 | standard | 19 August 1944 | 30 September 1944 | Scrapped 1958 |
| SS R. M. Williamson | R. M. Williamson | 1944 | standard | 25 June 1943 | 10 August 1943 | Sold private 1947, sunk 1959 |
| SS R. Ney McNeely | R. Ney McNeely | 1513 | standard | 9 December 1943 | 29 January 1944 | To U.S. Navy as YAG 1955 but not assigned a hull number, scrapped 1973 |
| SS R. P. Warner | R. P. Warner | 2062 | standard | 22 July 1943 | 10 August 1943 | Sold private 1951, wrecked 1955, repaired, scrapped 1968 |
| SS R. S. Wilson | R. S. Wilson | 2452 | standard | 16 December 1943 | 9 February 1944 | Wrecked 1945, declared total loss, scrapped 1959 |
| SS R. Walton Moore | R. Walton Moore | 2370 | standard | 1 July 1944 | 14 August 1944 | Scrapped 1961 |
| SS Rachel Jackson | Rachel Jackson | 721 | standard | 2 February 1943 | 2 March 1943 | Reefed off Port Mansfield TX 1976 |
| SS Rafael R. Rivera | Rafael R. Rivera | 2337 | boxed aircraft transport | 30 November 1944 | 16 January 1945 | Seagoing cowboys livestock ship c. 1946-47, to U.S. Navy 1954 as radar picket Skywatcher (AGR-3), scrapped 1971 |
| SS Ralph A. Cram | Ralph A. Cram | 1910 | standard | 18 October 1943 | 11 November 1943 | Sold private 1947, scrapped 1973 |
| SS Ralph Barnes | Ralph Barnes | 2570 | standard | 26 November 1943 | 10 December 1943 | Sold private 1947, wrecked and abandoned 1961 |
| SS Ralph Izard | Ralph Izard | 914 | standard | 2 August 1942 | 13 September 1942 | Scrapped 1965 |
| SS Ralph T. O'Neil | Ralph T. O'Neil | 2685 | standard | 29 April 1944 | 19 May 1944 | Scrapped 1966 |
| SS Ralph Waldo Emerson | Ralph Waldo Emerson | 192 | standard | 26 February 1942 | 19 April 1942 | Scrapped 1960 |
| SS Ransom A. Moore | Ransom A. Moore | 2330 | standard | 18 October 1944 | 21 November 1944 | Scrapped 1970 |
| SS Raymond B. Stevens | Raymond B. Stevens | 3016 | standard | 8 March 1944 | 19 April 1944 | Scrapped 1961 |
| SS Raymond Clapper | Raymond Clapper | 2479 | standard | 17 April 1944 | 22 May 1944 | Sold private, sunk 1966 |
| SS Raymond T. Baker | Raymond T. Baker | 2236 | standard | 22 December 1943 | 19 January 1944 | Sold private 1947, scrapped 1971 |
| SS Raymond V. Ingersoll | Raymond V. Ingersoll | 2317 | standard | 27 July 1944 | 31 August 1944 | Sold private 1947, converted to a floating warehouse in Poland 1976, scrapped 1982 |
| SS Raymond Van Brogan | Raymond Van Brogan | 2339 | boxed aircraft transport | 14 December 1944 | 27 January 1945 | To U.S. Navy 1954 as radar picket Vigil (AGR-12), scrapped 1971 |
| SS Rebecca Boone | Rebecca Boone | 2425 | standard | 14 November 1943 | 21 December 1943 | Sold private 1947, scrapped 1972 |
| SS Rebecca Lukens | Rebecca Lukens | 1551 | standard | 7 January 1944 | 4 March 1944 | To U.S. Army as aircraft repair unit Major General Herbert A. Dargue 1944, scrapped 1970 |
| SS Redfield Proctor | Redfield Proctor | 439 | standard | 3 November 1942 | 12 December 1942 | To U.S. Navy as Celeno (AK-76), bombed off Guadalcanal 1943, repaired, scrapped 1961 |
| SS Redstone Seam | Redstone Seam | 2844 | collier | 25 January 1945 | 20 March 1945 | Sold private 1947, scrapped 1965 |
| SS Reginald A. Fessenden | Reginald A. Fessenden | 1745 | tanker | 8 July 1943 | 26 August 1943 | Sold private 1948, declared total loss 1964 |
| SS Reinhold Richter | Reinhold Richter | 2105 | standard | 29 August 1943 | 23 September 1943 | Sold private 1947, scrapped 1970 |
| SS Renald Fernald | Renald Fernald | 2215 | standard | 4 December 1943 | 22 January 1944 | Sold private 1947, wrecked and scrapped 1963 |
| SS Reverdy Johnson | Reverdy Johnson | 51 | standard | 15 May 1942 | 10 July 1942 | Scrapped 1967 |
| SS Richard A. Van Pelt | Richard A. Van Pelt | 2401 | standard | 9 January 1945 | 17 February 1945 | Sold private 1947, scrapped 1969 |
| SS Richard B. Moore | Richard B. Moore | 2705 | standard | 12 November 1943 | 30 November 1943 | Sold private 1947, scrapped 1972 |
| SS Richard Bassett | Richard Bassett | 41 | standard | 18 March 1942 | 22 May 1942 | Sold private 1947, scrapped 1962 |
| SS Richard Bland | Richard Bland | 28 | standard | 29 October 1941 | 28 February 1942 | Torpedoed and lost in the Arctic 1942 |
| SS Richard Caswell | Richard Caswell | 870 | standard | 6 November 1942 | 10 December 1942 | Torpedoed and lost off Paranagua 1943 |
| SS Richard Coulter | Richard Coulter | 2878 | standard | 14 August 1944 | 22 September 1944 | Scrapped 1960 |
| SS Richard D. Lyons | Richard D. Lyons | 3099 | standard | 18 January 1945 | 13 March 1945 | Sold private 1947, scrapped 1968 |
| SS Richard D. Spaight | Richard D. Spaight | 163 | standard | 8 July 1942 | 11 September 1942 | Torpedoed and lost off Durban 1943 |
| SS Richard H. Alvey | Richard H. Alvey | 53 | standard | 24 May 1942 | 15 July 1942 | Scrapped 1961 |
| SS Richard Halliburton | Richard Halliburton | 2323 | standard | 31 August 1944 | 10 October 1944 | Scrapped 1961 |
| SS Richard Harding Davis | Richard Harding Davis | 1630 | standard | 3 April 1943 | 23 April 1943 | Scrapped 1967 |
| SS Richard Henderson | Richard Henderson | 458 | standard | 29 December 1942 | 31 January 1943 | Torpedoed and lost off Sardinia 1943 |
| SS Richard Henry Dana | Richard Henry Dana Jr. | 294 | standard | 27 May 1942 | 12 July 1942 | Sold private 1947, converted to a floating wharf |
| SS Richard Henry Lee | Richard Henry Lee | 18 | standard | 15 July 1941 | 6 December 1941 | Scrapped 1965 |
| SS Richard Hovey | Richard Hovey | 338 | standard | 27 December 1942 | 14 March 1943 | Torpedoed and lost in the Indian Ocean 1944 |
| SS Richard J. Cleveland | Richard J. Cleveland | 1883 | tanker | 11 August 1943 | 15 September 1943 | Sold private 1947, scrapped 1968 |
| SS Richard J. Hopkins | Richard J. Hopkins | 2963 | standard | 26 August 1944 | 2 October 1944 | Sold private 1947, sunk 1968 |
| SS Richard J. Oglesby | Richard J. Oglesby | 2526 | standard | 27 October 1943 | 15 November 1943 | Scrapped 1958 |
| SS Richard Jordan Gatling | Richard Jordan Gatling | 419 | standard | 28 August 1942 | 14 October 1942 | Scrapped 1969 |
| SS Richard K. Call | Richard K. Call | 2473 | standard | 21 February 1944 | 15 April 1944 | Scrapped 1970 |
| SS Richard M. Johnson | Richard M. Johnson | 1049 | standard | 25 April 1943 | 5 June 1943 | Scrapped 1973 |
| SS Richard Mansfield | Richard Mansfield | 608 | standard | 18 November 1942 | 13 December 1942 | Scrapped 1959 |
| SS Richard March Hoe | Richard March Hoe | 426 | standard | 20 September 1942 | 30 October 1942 | To U.S. Navy as Prince Georges (AP-165), scrapped 1969 |
| SS Richard Moczkowski | Richard Moczkowski | 1731 | standard | 31 July 1943 | 22 August 1943 | Scrapped 1966 |
| SS Richard Montgomery | Richard Montgomery | 1199 | standard | 15 March 1943 | 15 June 1943 | Grounded in the Thames Estuary 1944, declared total loss. |
| SS Richard O'Brien | Richard O'Brien | 2925 | standard | 15 March 1944 | 25 April 1944 | To U.S. Army 1944 as aircraft repair unit Brigadier General Asa N. Duncan, scrapped 1972 |
| SS Richard Olney | Richard Olney | 1026 | standard | 13 December 1942 | 22 January 1943 | Mined off Tunisia 1943, TL, scrapped 1948 |
| SS Robert R. Randall | Robert R. Randall | 2383 | standard | 2 October 1944 | 4 November 1944 | Scrapped 1964 |
| SS Richard Rush | Richard Rush | 621 | standard | 17 December 1942 | 11 January 1943 | Scrapped 1961 |
| SS Richard S. Ewell | Richard S. Ewell | 840 | standard | 11 February 1943 | 29 March 1943 | Scrapped 1965 |
| SS Richard Stockton | Richard Stockton | 261 | standard | 21 June 1942 | 17 August 1942 | To Belgium as Belgian Loyalty 1945, scrapped 1972 |
| SS Richard Upjohn | Richard Upjohn | 2864 | standard | 15 April 1944 | 8 June 1944 | Reefed off Horn Island MS, 1976 |
| SS Richard V. Oulahan | Richard V. Oulahan | 2297 | standard | 26 February 1944 | 11 April 1944 | Wrecked Okinawa 1945, scrapped |
| SS Richard Yates | Richard Yates | 454 | standard | 18 December 1942 | 22 January 1943 | Scrapped 1971 |
| SS Richmond Mumford Pearson | Richmond Mumford Pearson | 316 | standard | 31 August 1942 | 27 October 1942 | Scrapped 1963 |
| SS Richmond P. Hobson | Richmond P. Hobson | 1994 | standard | 25 June 1943 | 17 July 1943 | Sold private 1947, wrecked and sunk 1963 |
| SS Ring Lardner | Ring Lardner | 1701 | standard | 13 July 1943 | 7 August 1943 | Scrapped 1959 |
| SS Risden Tyler Bennett | Risden Tyler Bennett | 2870 | standard | 12 June 1944 | 22 July 1944 | Scrapped 1963 |
| SS Robert B. Forbes | Robert Bennet Forbes | 3056 | standard | 31 July 1944 | 18 September 1944 | Scrapped 1965 |
| SS Robert Bacon | Robert Bacon | 1027 | standard | 4 January 1943 | 12 February 1943 | Torpedoed and lost off Mozambique, 1943 |
| SS Robert Battey | Robert Battey | 1506 | standard | 8 October 1943 | 30 November 1943 | Wrecked Mindanao 1945, refloated, disposition unknown |
| SS Robert C. Grier | Robert C. Grier | 663 | standard | 29 September 1942 | 31 October 1942 | Scrapped 1966 |
| SS Robert D. Carey | Robert D. Carey | 2769 | standard | 24 February 1944 | 14 March 1944 | Sold private 1947, scrapped 1969 |
| SS Robert Dale Owen | Robert Dale Owen | 1974 | standard | 26 April 1943 | 21 May 1943 | Sold private 1947, mined off Rijeka and sunk, 1947 |
| SS Robert E. Clarkson | Robert E. Clarkson | 2956 | standard | 26 July 1944 | 2 September 1944 | Scrapped 1965 |
| SS Robert E. Peary | Robert E. Peary | 440 | standard | 8 November 1942 | 12 November 1942 | Scrapped 1963 |
| SS Robert Eden | Robert Eden | 1015 | standard | 10 June 1943 | 18 July 1943 | Scrapped 1964 |
| SS Robert Ellis Lewis | Robert Ellis Lewis | 2603 | standard | 2 February 1944 | 7 March 1944 | Scrapped 1970 |
| SS Robert Erskine | Robert Erskine | 1009 | standard | 31 May 1943 | 29 June 1943 | Wrecked in Bizerta 1944, scrapped 1948 |
| SS Robert F. Broussard | Robert F. Broussard | 2805 | standard | 8 July 1944 | 17 August 1944 | Scrapped 1965 |
| SS Robert F. Burns | Robert F. Burns | 3146 | boxed aircraft transport | 30 June 1945 | 28 August 1945 | Scrapped 1968 |
| SS Robert F. Hoke | Robert F. Hoke | 1968 | standard | 10 April 1943 | 4 May 1943 | Torpedoed in the Arabian Sea 1943, refloated and repaired, RN training ship in Bombay 1945, scrapped 1949 |
| SS Robert F. Stockton | Robert F. Stockton | 296 | standard | 19 June 1942 | 29 July 1942 | To Alabama State Docks, scrapped |
| SS Robert Fechner | Robert Fechner | 1066 | standard | 6 September 1943 | 28 October 1943 | Sold private 1947, scrapped 1966 |
| SS Robert Fulton | Robert Fulton | 230 | standard | 20 September 1941 | 10 January 1942 | Scrapped 1969 |
| SS Robert G. Cousins | Robert G. Cousins | 2719 | standard | 5 December 1943 | 23 December 1943 | Sold private 1947, scrapped 1973 |
| SS Robert G. Harper | Robert G. Harper | 234 | standard | 22 January 1942 | 22 March 1942 | Sold private 1947, scrapped 1970 |
| SS Robert G. Ingersoll | Robert G. Ingersoll | 1855 | standard | 24 June 1943 | 18 July 1943 | Scrapped 1961 |
| SS Robert Gray | Robert Gray | 173 | standard | 31 May 1941 | 16 November 1941 | Torpedoed and lost in the North Atlantic 1943 |
| SS Robert H. Harrison | Robert H. Harrison | 498 | standard | 7 September 1942 | 17 October 1942 | Scrapped 1966 |
| SS Robert Henri | Robert Henri | 2913 | standard | 6 January 1944 | 22 February 1944 | Scrapped 1958 |
| SS Robert Howe | Robert Howe | 879 | standard | 10 December 1942 | 13 January 1943 | Scrapped 1971 |
| SS Robert J. Banks | Robert J. Banks | 2392 | standard | 21 November 1944 | 20 December 1944 | Sold private 1947, scrapped 1967 |
| SS Robert J. Collier | Robert J. Collier | 1003 | standard | 19 May 1943 | 13 June 1943 | Wrecked and scrapped 1946 |
| SS Robert J. Walker | Robert J. Walker | 629 | standard | 5 January 1943 | 2 February 1943 | Torpedoed and sunk off Moruya, New South Wales on 25 December 1944 |
| SS Robert Jordan | Robert Jordan | 796 | standard | 25 May 1943 | 18 July 1943 | Sold private 1947, burnt 1959, scrapped 1963 |
| SS Robert L. Hague | Robert L. Hague | 2240 | standard | 27 January 1944 | 19 February 1944 | Sold private 1947, scrapped 1968 |
| SS Robert L. Vann | Robert L. Vann | 2189 | standard | 14 August 1943 | 10 October 1943 | Mined and lost off Ostend 1945 |
| SS Robert Lansing | Robert Lansing | 1531 | standard | 3 June 1943 | 17 July 1943 | Scrapped 1968 |
| SS Robert Louis Stevenson | Robert Louis Stevenson | 2184 | standard | 21 October 1943 | 9 November 1943 | Defied scuttling and sunk 1967 |
| SS Robert Lowry | Robert Lowry | 1044 | standard | 7 April 1943 | 10 May 1943 | Scrapped 1969 |
| SS Robert Lucas | Robert Lucas | 1560 | standard | 16 May 1943 | 10 June 1943 | Scrapped 1972 |
| SS Robert M. La Follette | Robert M. La Follette | 1024 | standard | 27 November 1942 | 10 January 1943 | Sold private 1947, damaged in the India/Pakistan war 1971, scrapped 1972 |
| SS Robert M. T. Hunter | Robert M. T. Hunter | 348 | standard | 11 December 1942 | 28 March 1943 | Scrapped 1971 |
| SS Robert Mills | Robert Mills | 2498 | standard | 30 August 1944 | 5 October 1944 | Reefed off Mobile Bay AL 1975 |
| SS Robert Morris | Robert Morris | 70 | standard | 23 July 1941 | 28 January 1942 | Scrapped 1972 |
| SS Robert Neighbors | Robert Neighbors | 2968 | standard | 15 September 1944 | 20 October 1944 | Scrapped 1970 |
| SS Robert Newell | Robert Newell | 2006 | standard | 13 April 1943 | 2 May 1943 | Scrapped 1961 |
| SS Robert Parrot | Robert Parrot | 2886 | standard | 6 October 1944 | 16 November 1944 | Scrapped 1968 |
| SS Robert R. Livingston | Robert R. Livingston | 1516 | standard | 3 January 1944 | 21 February 1944 | Scrapped 1962 |
| SS Robert R. McBurney | Robert R. McBurney | 3062 | standard | 9 August 1944 | 22 September 1944 | Scrapped 1962 |
| SS Robert R. Randall | Robert R. Randall | 2200 | standard | 11 October 1943 | 24 November 1943 | Sold private 1947, scrapped 1969 |
| SS Robert Rogers | Robert Rogers | 797 | standard | 25 May 1943 | 18 July 1943 | Scrapped 1972 |
| SS Robert Rowan | Robert Rowan | 904 | standard | 5 March 1943 | 6 April 1943 | Bombed and lost off Sicily 1943, wreck scrapped 1948 |
| SS Robert S. Abbott | Robert S. Abbott | 2785 | standard | 23 March 1944 | 13 April 1944 | To Russia 1944 as Kamenets-Podolsk, scrapped 1979 |
| SS Robert S. Bean | Robert S. Bean | 2077 | standard | 17 August 1943 | 4 September 1943 | Sold private 1947, wrecked and scrapped 1958 |
| SS Robert S. Lovett | Robert S. Lovett | 2950 | standard | 28 June 1944 | 5 August 1944 | Sold private 1947, scrapped 1965 |
| SS Robert Stuart | Robert Stuart | 706 | standard | 3 January 1943 | 31 January 1943 | Scrapped 1961 |
| SS Robert T. Hill | Robert T. Hill | 1941 | standard | 9 June 1943 | 17 July 1943 | Scrapped 1963 |
| SS Robert T. Lincoln | Robert T. Lincoln | 437 | standard | 28 October 1942 | 7 December 1942 | To U.S. Navy as Aludra (AK-72), torpedoed and lost off Guadalcanal 1943 |
| SS Robert Toombs | Robert Toombs | 347 | standard | 24 November 1942 | 19 March 1943 | Scrapped 1959 |
| SS Robert Treat | Robert Treat | 792 | standard | 15 April 1943 | 7 June 1943 | Scrapped 1967 |
| SS Robert Treat Paine | Robert Treat Paine | 32 | standard | 6 January 1942 | 28 March 1942 | Sold private 1947, wrecked and scrapped 1964 |
| SS Robert Trimble | Robert Trimble | 1493 | standard | 29 August 1942 | 21 June 1943 | Sold private 1947, scrapped 1963 |
| SS Robert W. Bingham | Robert W. Bingham | 2794 | standard | 6 April 1944 | 16 May 1944 | To U.S. Army 1944 as aircraft repair unit Brigadier General Clinton W. Russell. Scrapped 1959 |
| SS Robert W. Hart | Robert W. Hart | 3125 | boxed aircraft transport | 4 May 1945 | 10 July 1945 | Seagoing cowboys livestock ship c. 1946-47, to U.S. Navy as signals intelligence collection ship Georgetown (AG-165) 1962, scrapped 1971 |
| SS Robert Watchorn | Robert Watchorn | 2941 | standard | 23 May 1944 | 27 June 1944 | Sold private 1947, scrapped 1968 |
| SS Robert Wickliffe | Robert Wickliffe | 1842 | standard | 18 November 1943 | 9 December 1943 | Sold private 1947, scrapped 1969 |
| SS Robert Y. Hayne | Robert Y. Hayne | 1198 | standard | 2 November 1942 | 29 May 1943 | Sold private 1947, scrapped 1971 |
| SS Roda Seam | Roda Seam | 2858 | collier | 18 June 1945 | 25 August 1945 | Sold private 1947, scrapped 1972 |
| SS Roger B. Taney | Roger B. Taney | 17 | standard | 21 June 1941 | 6 December 1941 | Torpedoed and lost in the South Atlantic 1943 |
| SS Roger Griswold | Roger Griswold | 1032 | standard | 20 January 1943 | 1 March 1943 | Scrapped 1972 |
| SS Roger Moore | Roger Moore | 903 | standard | 28 February 1943 | 31 March 1943 | Scrapped 1971 |
| SS Roger Sherman | Roger Sherman | 260 | standard | 15 June 1942 | 3 August 1942 | Scrapped 1961 |
| SS Roger Williams | Roger Williams | 224 | standard | 29 June 1942 | 30 August 1942 | Sold private 1947, sunk 1965 |
| SS Ross G. Marvin | Ross Gilmore Marvin | 1834 | standard | 6 November 1943 | 29 November 1943 | Sold private 1947, scrapped |
| SS Roy James Cole | Roy James Cole | 2403 | standard | 23 January 1945 | 28 February 1945 | Sold private 1947, scrapped 1970 |
| SS Roy K. Johnson | Roy K. Johnson | 2841 | standard | 30 December 1944 | 7 February 1945 | Sold private 1951, scrapped 1968 |
| SS Royal S. Copeland | Royal S. Copeland | 1219 | standard | 24 November 1943 | 11 January 1944 | Sold private 1947, burnt 1968, scrapped |
| SS Ruben Dario | Rubén Darío | 2866 | standard | 1 May 1944 | 22 June 1944 | Scrapped 1963 |
| SS Rudolph Kauffmann | Rudolph Kauffmann | 2888 | standard | 23 October 1944 | 29 November 1944 | Scrapped 1972 |
| SS Rufus C. Dawes | Rufus C. Dawes | 1204 | standard | 31 May 1943 | 4 September 1943 | Scrapped 1968 |
| SS Rufus Choate | Rufus Choate | 2931 | standard | 8 April 1944 | 17 May 1944 | Scrapped 1971 |
| SS Rufus E. Foster | Rufus E. Foster | 2451 | standard | 24 December 1943 | 17 February 1944 | Sold private 1947, wrecked and scrapped 1960 |
| SS Rufus King | Rufus King | 280 | standard | 6 October 1941 | 11 March 1942 | Wrecked, broke in two, off Moreton Island 1942. Bow half salvaged, equipped for vessel repair & supply. Dubbed Half Rufus towed to Milne Bay for U.S. Army use. Sunk as target by RAAF |
| SS Rufus W. Peckham | Rufus W. Peckham | 940 | standard | 22 December 1942 | 13 February 1943 | Sold private 1947, wrecked and sunk 1959 |
| SS Russell A. Alger | Russell A. Alger | 1754 | standard | | 3 March 1943 (completed) | Sold for scrap 9 May 1973 |
| SS Russell H. Chittenden | Russell H. Chittenden | 2564 | standard | 19 January 1944 | 12 February 1944 | Wrecked and lost in New Guinea 1945 |
| SS Russell R. Jones | Russell R. Jones | 2990 | standard | 15 December 1944 | 18 January 1945 | Sold private 1947, scrapped 1967 |
| SS Russell Sage | Russell Sage | 1545 | standard | 25 November 1943 | 5 January 1944 | Sold private 1947, wrecked 1967, scrapped |