# List of Allied convoy codes during World War II

This is a list of convoy codes used by the Allies during World War II There were over 300 convoy routes organized, in all areas of the world; each was designated by a two- or three letter code. List of Allied convoys during World War II by region provides additional information.
A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z

## A

| Convoy | Origin and destination | Dates | Remarks |
| AB | Miscellaneous | Sep 1939 to May 1940 | |
| AB | Aden to Bombay | Sep 1942 to Oct 1944 | Slow convoys |
| ABF | Aden to Bombay | 1944 to Feb 1945 | Fast troop ship convoys |
| ABS | Algiers to Bougie, French North Africa | Nov 1942 | Single convoy; after Operation Torch |
| AC | Aden to Colombo | ??? | |
| AC | Alexandria to Bengazi or Tobruk | Feb 1941 to Apr 1941 | "Alexandria to Cyrenaica" |
| AG | Alexandria to Greece | Mar 1941 to Apr 1941 | Military supply convoys; during the period of the German Operation Marita invasion of Greece |
| AH | Aruba to Halifax | Jul 1942 to Sep 1942 | Three tanker convoys; reverse HA |
| AH | Malta or Augusta to Italy | Oct 1943 to Jan 1945 | Reverse HA |
| AH | Bari to Ancona in Italy | Jan 1945 to May 1945 | |
| AJ | Aden to Colombo | Jan 1942 to Feb 1945 | "Aden to Jafna"; reverse JA |
| AK | Aden to Kilindini | Sep 1940 to Aug 1944 | Reverse KA |
| AKD | Aden to Kilindini, then Durban | Sep 1943 to Apr 1944 | 27 convoys; reverse DKA |
| AM | Chittagong to Madras | Mar 1944 to Mar 1945 | Reverse MA |
| AM | Algiers or Oran to the south of France | Aug 1944 to Oct 1944 | For Operation Dragoon |
| AN | Alexandria or Port Said to Piraeus or Souda Bay | Sep 1940 to May 1941 | "Aegean Northbound"; reverse AS |
| AN | Admiralty Islands to New Guinea | Apr 1944 to Aug 1944 | Following Operation Brewer; reverse NA |
| ANF | Alexandria to Piraeus | 1940 to 1941 | "Aegean Northbound Fast" |
| AP | UK to Egypt | Aug 1940 to Oct 1940 | Three troopship convoys; during the start of the Western Desert Campaign |
| AP | Aden to Persian Gulf | Sep 1942 to Feb 1945 | "Aden to Persian Gulf"; 92 convoys; reverse PA |
| ARG | Boston to New York City or Argentia, Newfoundland | Oct 1942 to Sep 1944 | |
| ARM | Mediterranean local traffic | Aug 1944 to Oct 1944 | Following Operation Dragoon |
| AS | Piraeus to Alexandria | Jun 1940 to May 1941 | "Aegean Southbound"; reverse AN |
| AS | New York to Suez | Mar 1942 to Jan 1943 | "America–Suez" |
| AT | Alexandria to Tobruk | Nov 1941 to Jun 1942 | 46 convoys; reverse TA |
| AT | United States to UK | Jan 1942 to Jul 1945 | Troopship convoys; reverse TA |
| AT | Ancona and Trieste | Jun 1945 | Italian east coast route; 2 convoys |
| ATM | Antwerp to Thames | Dec 1944 to Jun 1945 | "Antwerp to Thames Military"; 154 military convoys |
| AW | Aruba to Curaçao | Sep 1942 to Jul 1944 | "Aruba to Willemstad"; Local tanker convoys; reverse WA |

## B

| Convoy | Origin and destination | Dates | Remarks |
| BA | Bombay to Aden | Feb 1941 to Sep 1944 | Reverse AB |
| BAF | Bombay to Aden | Sep 1944 to Jan 1945 | Fast troopship convoys; reverse ABF |
| BB | Belfast to Milford Haven | Jan 1941 to May 1945 | 432 convoys |
| BB | Clyde to Bristol Channel | 1945 | |
| BC | African routes | Jun 1940 to Jun 1940 | British special convoys |
| BC | Charleston, SC, to Bora Bora | Jan 1942 to Feb 1942 | Single convoy; to reinforce US forces in the Pacific after Pearl Harbor |
| BC | Beira to Durban | Jul 1943 to Aug 1944 | "Biera to Cape", reverse CB |
| BC | Bombay, India, to Colombo, Ceylon | Sep 1943 to Aug 1945 | |
| BC | Clyde to Bristol Channel | 1945 | |
| BCS | Cape Town, South Africa to Freetown, Sierra Leone | Jun 1940 to Jul 1940 | Single convoy |
| BD | White Sea to Dikson | Jul 1941 to Sep 1944 | Reverse DB |
| BEC | Bristol Channel to France | Oct 1944 to Dec 1944 | Reverse EBC |
| BF | Bahia to Freetown | 1943 to 1945 | Under US Navy escort; reverse FG |
| BG | Milne Bay to New Guinea | Jul 1944 to ??? | Reverse GB |
| BG | Brisbane to Gladstone | Jan 1943 to Jul 1944 | |
| BG | Biak to Morotai or Morotai to Hollandia | Nov 1944 to Jan 1945 | |
| BHX | Bermuda to HX rendezvous | May 1940 to Jul 1941 | 82 feeder convoys |
| BK | Bombay to Karachi | Jan 1943 | Single convoy (BK.1); reverse KB |
| BK | White Sea to Kola | 1943 to 1945 | Reverse KB |
| BLUE | Port Said to Gibraltar | Sep 1939 to Nov 1939 | |
| BM | Bombay to Singapore | Sep 1940 to Feb 1942 | 16 convoys |
| BM | Karachi or Bombay to Colombo | Feb 1942 to Dec 1944 | Reverse MB |
| BN | Bombay to Aden or the Suez Canal | Jun 1940 to Apr 1941 | "Bombay Northward"; 33 convoys |
| BN | Cape Gloucester, New Britain to Langemak Bay, New Guinea or Guadalcanal | Apr 1944 to Jun 1944 | Reverse NB |
| BP | Bombay to Persian Gulf | Apr 1941 to Feb 1945 | Reverse PB |
| BRN | Bahia to Recife | 1942 to 1945 | "Bahia to Recife Northward" |
| BS | Suez to Aden, often for dispersal | Jun 1940 to Apr 1941 | |
| BS | Corner Brook to Sydney | 1942 to 1945 | Reverse SB |
| BS | Brest to Casablanca, Morocco | Sep 1939 to Jun 1940 | |
| BT | Bahia, Brazil to Trinidad | Jan 1943 to Jul 1943 | Reverse TB |
| BT | Sydney, Nova Scotia to United States (east coast) | 1943 to 1945 | Troopship convoys |
| BT | Brisbane to United States | Jan 1942 to Jun 1943 | Reverse TB |
| BT | Brisbane to Townsville, Australia | Aug 1942 to May 1943 | |
| BTC | Milford Haven and the Bristol Channel to Thames | Dec 1941 to May 1945 | 165 convoys; reverse TBC |
| BV | Brisbane to Townsville | May 1943 to Jul 1943 | Reverse VB |
| BW | Sydney, Nova Scotia to Saint John's, Newfoundland | Sep 1942 to May 1945 | |
| BX | Boston to Halifax | Mar 1942 to May 1945 | 206 convoys; reverse XB |
| BZ | Bombay to Kilindini and Aden | ??? | |

## C

| Convoy | Origin and destination | Dates | Remarks |
| C | Colombo, Ceylon to dispersal | Apr 1942 to Jun 1943 | |
| CA | Cape Town, South Africa to dispersal | Dec 1942 to Jun 1943 | |
| CB | Durban to Beira and beyond | Jul 1943 to Aug 1944 | Reverse BC |
| CD | Cape Town to Durban | Nov 1942 to Aug 1944 | Reverse DC |
| CE | St Helen's Road, Isle of Wight, to Southend | Jul 1940 to May 1944 | "Channel Eastward"; 262 British coastal convoys; reverse CW |
| CF | Cape Town to Freetown and ultimately the UK | Apr 1941 to Oct 1943 | |
| CF | Colombo to Fremantle | Mar 1941 to ??? | Fast liners |
| CG | Casablanca to Gibraltar | 1943 to May 1945 | Originally FT convoys; reverse GC |
| CH | Chittagong to Calcutta | Feb 1944 to Jan 1945 | Reverse HC |
| CJ | Calcutta to Colombo | Apr 1943 to Jan 1945 | Reverse JC |
| CK | Havana, Cuba to Key West | Oct 1942 to Aug 1943 | "Cuba to Key West" |
| CK | Charleston to UK | Jan 1944 to Nov 1944 | |
| CL | St. John's to Sydney or Halifax, Nova Scotia | Feb 1942 to Jun 1943 | Reverse LC |
| CM | Cape Town or Durban via Kilindini, Kenya to Red Sea ports | Mar 1940 to Apr 1945 | "Cape Military"; military convoys; reverse MC |
| CMA | Durban to Mombasa | Jun 1940 to Jul 1940 | Single convoy within CM |
| CN | North from Cape Town for dispersal | Jan 1943 to Jun 1944 | "Cape Town Northward" |
| CNF | Sicily Invasion Force | Jun 1943 to Jul 1943 | Fast convoys; Operation Husky |
| CO | Newcastle to Melbourne and Adelaide | Jun 1942 to Dec 1943 | 150 convoys; reverse OC |
| COC | Plymouth to Brittany | Nov 1944 to May 1945 | Military convoys using coasting vessels; for the delivery of military supplies |
| CP | Curaçao to Panama Canal | 1942 | Tanker convoys |
| CRD | Casablanca to Dakar | May 1944 to Oct 1944 | Reverse DRC |
| CT | UK to Canada | Aug 1941 to Jun 1942 | Troopship convoys; reverse TC |
| CT | Corsica via Sardinia to Bizerta | 1944 | Reverse TC |
| CT | Cristobal, Panama, to Trinidad | Jun 1942 | Single convoy (CT.1) |
| CU | Curaçao (or New York) to UK | Mar 1943 to Jun 1945 | "Curaçao to the UK"; 8 tanker and 74 troopship convoys; reverse UC |
| CV | Cyrenaica (Tobruk) to Valletta (Malta) | 1944 | Reverse VC |
| CW | Cristobal to Key West | Jul 1942 | "Cristóbal to Key West"; two convoys |
| CW | Southend to St Helen's Roads and Yarmouth, Isle of Wight, and then Falmouth } | Jul 1940 to Jun 1944 | "Channel Westward"; 270 coastal convoys; reverse CE |
| CX | Colombo to Addu Atoll | Apr 1943 to Feb 1945 | |
| CZ | Curaçao to Cristobal | Sep 1942 to Feb 1943 | "Curaçao to Panama Canal Zone"; reverse ZC |

## D

| Convoy | Origin and destination | Dates | Remarks |
| D | Dakar to Casablanca | 1939 to 1940 | |
| DB | Southern England to north-western France | Sep 1939 to Oct 1939 | |
| DB | Dikson to White Sea | 1942 to 1944 | Reverse BD |
| DB | Durban, South Africa, for dispersal | May 1943 | One convoy (DB.38) |
| DBF | Dakar via Bathurst to Freetown | 1943 | |
| DC | Durban to Port Elizabeth or Cape Town | Dec 1942 to Sep 1944 | Reverse CD |
| DF | Clyde to Faroes | ??? | Military ferry convoys; reverse FD |
| DG | Thursday Island to Merauke | ??? | Reverse GD |
| DK | Durban to Kilindini | Sep 1943 to Sep 1944 | Reverse KD |
| DKA | Durban via Kilindini to Aden | Sep 1943 to Jun 1944 | Reverse AKD |
| DLM | Durban to Lourenço Marques | Jul 1943 to Jun 1944 | Reverse LMD |
| DM | Durban to Malaya | Jan 1942 to Mar 1942 | Three convoys |
| DN | Darwin northwards | Jul 1944 to Sep 1945 | |
| DN | Durban for dispersal | Nov 1942 to Mar 1945 | "Durban Northward" |
| DR | Dakar to Gibraltar or Casablanca | Apr 1944 to Oct 1944 | |
| DRC | Dakar to Casablanca | Mar 1945 to Apr 1945 | Reverse CRD |
| DS | Clyde to Reykjavík | Apr 1941 to May 1945 | Military ferry convoys; reverse SD |
| DSF | Dakar to Freetown | Feb 1944 to Jul 1944 | Reverse FSD |
| DSL | Dakar via Freetown to Lagos | ??? | Reverse LSD |
| DSP | Dakar via Freetown to Pointe Noire | ??? | Reverse PAD |
| DST | Dakar via Freetown to Takoradi | ??? | Reverse TSD |
| DT | Darwin to Thursday Island | Feb 1943 to Sep 1944 | Reverse TD |
| DWI | Dutch West Indies to UK | 1943 | Not used |

## E

| Convoy | Origin and destination | Dates | Remarks |
| E | Trinidad to dispersal | Jun 1942 to Aug 1942 | During Operation Paukenschlag |
| EBC | Bristol Channel to France | Jun 1944 to Oct 1944 | 126 military coastal convoys; reverse FBC |
| EBM | Clyde River or Milford Haven to southern England or Seine Bay, northern France | Jun 1944 | 5 military convoys |
| EC | Southend to Clyde River, Oban and Loch Ewe | Mar 1941 to Nov 1941 | 90 coastal convoys |
| ECM | Falmouth to Seine Bay, northern France | Jun 1944 to Jul 1944 | Motor transport convoys; during Operation Overlord |
| ECP | Portland to Seine Bay | Jun 1944 to Jul 1944 | Personnel convoys; reverse FCP |
| EMM | Belfast to France | Jun 1944 to Jul 1944 | Three motor transport convoys; during Operation Overlord |
| EMP | Belfast to France | Jul 1944 | Personnel convoys; during Operation Overlord |
| EN | Methil to Clyde River and later Loch Ewe | Aug 1940 to May 1945 | 595 coastal convoys |
| EPM | Portland via the Solent to France | Jul 1944 to Sep 1944 | Motor transport convoys; related to Operation Overlord; reverse FPM |
| EPP | Portland via the Solent to Seine Bay, France | Jul 1944 to Sep 1944 | Personnel convoys; related to Operation Overlord; reverse FPP |
| ET | North Africa to Gibraltar | Nov 1942 to Jul 1943 | After Operation Torch |
| ETC | Southend to Seine Bay, France | Jun 1944 to Oct 1944 | Coastal convoys; reverse FTC; companion to EBC |
| ETM | Southend to Seine Bay, France | Jun 1944 to Oct 1944 | Motor transport convoys; reverse FTM |
| EWC | Spithead to Seine Bay, France | Jun 1944 | Coastal convoys; reverse FWC |
| EWL | Southampton or Isle of Wight to Seine Bay, France | Aug 1944 to Sep 1944 | Landing craft convoys; reverse FWL |
| EWM | Isle of Wight to Seine Bay, France | Sep 1944 to Oct 1944 | Motor transport convoys; related to Operation Overlord; reverse FWM |
| EWP | Isle of Wight to Seine Bay, France | Jun 1944 | Personnel convoys; related to Operation Overlord; reverse FWP |
| EXP | UK to Seine Bay, France | Jun 1944 | Operation Overlord invasion forces; reverse FXP |

## F

| Convoy | Origin and destination | Dates | Remarks |
| FB | Freetown to Bahia | 1943 to 1945 | Reverse BF |
| FBC | Seine Bay to Bristol Channel | Jun 1944 to Oct 1944 | Military convoys; return convoys from Operation Overlord; reverse EBC |
| FBM | Seine Bay to Falmouth or the Bristol Channel | Jun 1944 | Military convoys returning empty from Operation Overlord; reverse EBM |
| FBP | Seine Bay to Portland | Jun 1944 | Single personnel convoy (FBP.1B) returning empty from Operation Overlord |
| FC | France to West of England | 1944 | |
| FC | Fall River, New Guinea, to Cairns, Australia | Feb 1943 to May 1943 | Military convoys |
| FCM | Seine Bay to the south-western UK | Jun 1944 to Jul 1944 | Military convoys; return empty vehicle and equipment vessels from Operation Overlord for reloading; reverse ECM |
| FCP | France to the south-west of England | Jun 1944 to Jul 1944 | Military convoys; personnel counterparts to FCM; reverse ECP |
| FD | Faroes to Clyde | Mar 1943 | Single military convoy (FD.3); reverse DF |
| FF | UK and northwestern France | Jun 1940 | Troop and evacuation convoys |
| FFT | Freetown to Trinidad | 1942 to 1943 | Reverse TF |
| FG | Fremantle to Adelaide | 1942 to 1945 | Reverse GF |
| FH | Saint John to Halifax | Sep 1942 to May 1945 | Reverse HF |
| FJ | Florianópolis to Rio de Janeiro | ??? | Reverse JF |
| FM | Milne Bay to Port Moresby | Jan 1944 to Jun 1944 | Two convoys; reverse MF |
| FN | Thames to Forth | Sep 1940 to Jun 1945 | "Forth North"; 1,660 coastal convoys; reverse FS |
| FP | Britain to Norway | Apr 1940 to May 1940 | Three troop ship convoys |
| FPM | France to Portland | Jul 1944 to Sep 1944 | "France to Portland"; military motor transport convoys returning after delivery to land campaign following Operation Overlord |
| FPP | France to Portland | Jul 1944 to Aug 1944 | "France to Portland"; military personnel convoys returning after delivery to land campaign following Operation Overlord; reverse EPP |
| FS | Forth to Thames | Sep 1939 to May 1945 | "Forth South; 1,778 coastal convoys; reverse FN |
| FS | Scapa Flow to Norway, and Best, Netherlands to Namsos, Norway | Apr 1945 to May 1945 | |
| FSD | Freetown to Dakar | Apr 1944 to Oct 1944 | Reverse DFS |
| FT | Fall River, Papua, and Townsville, Queensland | Jun 1943 to Dec 1943 | |
| FT | Freetown, Sierra Leone, to Trinidad | Jul 1943 | Central Atlantic convoys |
| FTC | Seine Bay, France to Southend on the Thames river | Jun 1944 to Sep 1944 | "France to Thames Coaster"; 122 military supply convoys; reverse ETM |
| FTM | Seine Bay, France to Southend on the Thames river | Jun 1944 to Sep 1944 | "France to Thames Military"; 91 military motor transport convoys; after deliveries for Operation Overlord and follow-on operations; reverse ETC |
| FWC | France to Isle of Wight | Jun 1944 | Military coaster convoys; after deliveries for Operation Overlord; reverse EWC |
| FWL | France to Isle of Wight | Jul 1944 to Sep 1944 | Landing craft convoys; delivery back to the UK after Operation Overlord; reverse WEL |
| FWM | France to Isle of Wight | Jun 1944 to Sep 1944 | Military motor transport convoys; after deliveries for Operation Overlord; reverse EWM |
| FWP | France to Isle of Wight | Jun 1944 to Sep 1944 | Military personnel convoys; after delivering troops for Operation Overlord; reverse EWP |
| FXP | France to UK | Jun 1944 to Oct 1944 | Military convoys; after delivering troops and equipment for Operation Overlord |

## G

| Convoy | Origin and destination | Dates | Remarks |
| G | Guantanamo to San Juan | Sep 1942 to Apr 1944 | |
| GAT | Guantanamo via Aruba to Trinidad | Aug 1942 to May 1945 | 209 convoys; reverse TAG |
| GB | New Guinea (Southwest Pacific Area) to Milne Bay | Jul 1944 to May 1945 | Reverse BG |
| GC | Gibraltar to Casablanca | Mar 1943 to Apr 1945 | Originally TF convoys, after Operation Torch; reverse CG |
| GD | Merauke, Netherlands New Guinea, to Thursday Island, Australia | 1944 to Aug 1945 | Reverse DG |
| GF | Adelaide to Fremantle, Australia | 1942 to 1945 | Reverse FG |
| GI | New Guinea to Philippines | Jan 1945 to May 1945 | Reverse IG; supported the US "Love", "Mike", and "Victor" operations in the Philippine islands group |
| GJ | Guantanamo to Kingston, Jamaica | ??? | Reverse JG |
| GK | Guantanamo to Key West | Sep 1942 to May 1945 | 163 convoys; reverse KG |
| GM | Gibraltar to Malta | Jul 1941 to Jun 1942 | Reverse MG |
| GM | Galveston, TX to the Mississippi River | ??? | Reverse MG |
| GN | Guantanamo to New York | Aug 1942 to May 1945 | 207 US coastal convoys; reverse NG |
| GP | Guantanamo to the Panama Canal | Jul 1942 to Aug 1942 | Reverse PG |
| GP | Sydney to Townsville and Brisbane, Australia | Jun 1942 to Feb 1944 | Reverse PG |
| GP | Galveston to Pilottown, MS | 1942 to 1945 | Reverse PG |
| Green | Gibraltar to Alexandria or Port Said, Egypt | Sep 1939 to Oct 1939 | |
| Greyback | Dieppe, Seine-Maritime to Newhaven, East Sussex | ??? | British military ferry convoys |
| GS | Greenland to Sydney, Nova Scotia or St. John's, Newfoundland and Labrador | Jul 1942 to Jun 1945 | Reverse SG |
| GS | Grimsby to Southend | Mar 1940 to Apr 1940 | Reverse SG |
| GT | Gladstone, Queensland to Townsville | Dec 1942 to Jun 1943 | |
| GTX | Gibraltar via Tripoli to Alexandria or Port Said | May 1942 to Aug 1943 | "Gibraltar, Tripoli and Alexandria" |
| GUF | Oran, Algeria (later Naples, Italy) to the Chesapeake Bay | Nov 1942 to Apr 1945 | 25 fast military ocean convoys; started after the implementation of Operation Torch; reverse GUS |
| GUS | Port Said, Egypt or Oran, Algeria (later Naples, Italy) to the Chesapeake Bay | Dec 1942 to Jun 1945 | 98 slow military ocean convoys; started after the implementation of Operation Torch; reverse GUF |
| GZ | Guantanamo to Canal Zone | Aug 1942 to May 1945 | Reverse ZG |

## H

| Convoy | Origin and destination | Dates | Remarks |
| HA | Halifax to Aruba or Curaçao | Jul 1942 to Aug 1942 | 4 convoys; reverse AH |
| HA | Bari or Ancona in southern Italy to Malta | Aug 1942 to Dec 1944 | Reverse AH |
| HA | Ancona to Bari, Brindisi or Barletta in southern Italy | Jan 1945 to May 1945 | |
| HB | Australia to India and the Red Sea | Jan 1945 | Single troopship convoy |
| HC | Calcutta to Chittagong, India | Oct 1943 to Dec 1944 | Reverse CH |
| HF | Halifax to Saint John, New Brunswick | Sep 1942 to May 1945 | Reverse FH |
| HG | Gibraltar or Port Said to Liverpool in the UK | Sep 1939 to Sep 1942 | "Homeward from Gibraltar"; 117 slow and fast convoys; reverse OG; after Operation Torch replaced by MKS series |
| HGY | Gibraltar or Port Said to Liverpool | Jul 1940 | Single convoy |
| HGZ | Gibraltar to join the SL.36 convoy to the UK | Jun 1940 to Jul 1940 | Single convoy |
| HHX | Halifax to join HX convoys from New York at the Halifax Ocean Meeting Point | ??? | |
| Hi | Japanese mercantile convoys between Singapore and Moji | Jul 1943 to Feb 1945 | |
| HJ | Halifax to St. John's | May 1942 to Apr 1945 | Reverse JH |
| HJF | Halifax to St. John's | Jan 1944 to May 1945 | Fast convoys |
| HK | Galveston or Pilottown, MS to Key West, FL | Sep 1942 to May 1945 | 183 convoys; reverse KH |
| HM | Holyhead to Milford Haven, Wales | Dec 1941 to Feb 1943 | Reverse MH |
| HN | Bergen, Norway to Methil, Firth of Forth | Oct 1939 to Apr 1940 | "Homeward from Norway"; 28 convoys; reverse ON |
| HON | Halifax to join ON convoys at the Halifax Ocean Meeting Point | ??? | |
| HP | Heel of Italy to Piraeus, Greece | Oct 1944 to Mar 1945 | "Heel to Piraeus"; reverse PH |
| HS | Halifax to Sydney, Nova Scotia | May 1942 to May 1945 | Reverse SH |
| HT | Halifax to Trinidad | May 1942 to Jun 1942 | "Halifax to Trinidad"; reverse TH |
| HX | Halifax and New York City to Liverpool | Sep 1939 to Jun 1945 | North Atlantic route; fast convoys; reverse ON |
| HXA | HX ships via English Channel | 1939 to 1945 | |
| HXF | Halifax to Liverpool or Dover in the UK | Sep 1939 to Feb 1940 | 17 fast convoys |
| HXM | New York City to Liverpool | 1939 to 1945 | Medium speed convoys |
| HXS | New York City to Liverpool | 1939 to 1945 | Slow convoys |

## I

| Convoy | Origin and destination | Dates | Remarks |
| IG | Philippines to New Guinea | Jan 1945 to Mar 1945 | Reverse GI |
| IKO | Manila, Philippines to Hollandia, New Guinea | Apr 1945 to May 1945 | |
| IXF | Naples and Taranto, Italy, to Alexandria and Port Said, Egypt | Sep 1943 to Dec 1944 | Reverse XIF |

## J

| Convoy | Origin and destination | Dates | Remarks |
| JA | Colombo to Aden | Feb 1944 to Feb 1945 | Reverse AJ |
| JC | Colombo to Calcutta and other ports in India | Jul 1942 to Mar 1945 | 124 convoys; reverse CJ |
| JF | Rio de Janeiro to Florianópolis | ??? | Reverse FJ |
| JG | Kingston to Guantanamo | ??? | Reverse GJ |
| JH | St. John's to Halifax | May 1942 to Apr 1945 | "St John's to Halifax"; reverse HJ |
| JM | India, via Kilindini, Kenya to Madagascar | May 1943 to Jun 1944 | 2 convoys |
| JM | India to Malaya invasion | Aug 1945 to Sep 1945 | Assault convoys for Operation Zipper; 'JMA', 'JMB', 'JME', 'JMF' and 'JMG' convoys |
| JN | St. John's to Labrador | Jun 1942 to May 1944 | Reverse NJ |
| JR | Rio de Janeiro to Recife, Brazil | ??? | Reverse RJ |
| JS | Colombo to Singapore | Feb 1942 | "Colombo to Singapore"; reverse SJ |
| JT | Rio de Janeiro to Trinidad | Jul 1943 to Mar 1945 | "Rio de Janeiro to Trinidad"; 70 convoys; reverse TJ; successor to BT convoys |
| JW | Loch Ewe, Scotland via Iceland to ports of the northern USSR | Dec 1942 to May 1945 | 22 convoys; reverse RA; successor to PQ convoys |

## K

| Convoy | Origin and destination | Dates | Remarks |
| K | Casablanca to Brest, the Gironde estuary or Nantes, France, or Oran, Algeria | Oct 1939 to Jun 1940 | French convoys; included KF (fast) and KS (slow) components |
| KA | Kilindini to Aden | Nov 1942 to Dec 1943 | Reverse AK |
| KB | Kola to White Sea | 1943 to 1945 | Reverse BK |
| KB | Karachi to Bombay | Apr 1943 to Jun 1943 | Reverse BK |
| XX | Key West, Florida to Havana, Cuba | Oct 1942 to Aug 1943 | "Key West to Cuba"; reverse CK |
| KD | Kilindini to Durban | Oct 1940 to Mar 1945 | Reverse DK |
| KG | Key West to Guantanamo | Sep 1942 to May 1945 | 168 convoys; reverse GK |
| KH | Key West to Galveston and Houston, TX | Sep 1942 to May 1945 | "Key West to Houston"; 146 convoys; reverse HK |
| KJ | Kingston to the UK | Sep 1939 to Oct 1939 | |
| KM | Kilindini to Diego Suarez, Madagascar | Jun 1942 to Feb 1945 | Reverse MK |
| KM | Karachi to Bombay | 1942 to 1945 | |
| KMF | UK to the Mediterranean and occasionally onward | Oct 1942 to May 1945 | Fast convoys; reverse MKF |
| KMS | UK to the Mediterranean and occasionally onward | Oct 1942 to May 1945 | Slow convoys; reverse MKS |
| KN | Key West to New York | May 1942 to May 1945 | 210 coastal convoys; reverse KS |
| KP | Key West to Pilottown, MS | Sep 1942 to Jan 1943 | Reverse PK |
| KP | Karachi to Persian Gulf | Jul 1943 | Single convoy (KP.1) |
| KP | Kola to Petsamo | Oct 1944 to May 1945 | In support of the Petsamo-Kirkenes Strategic Offensive Operation |
| KR | Kilindini to Ceylon | Mar 1942 to Feb 1945 | Reverse RK |
| KR | Calcutta, India, and Arakan ports, Burma, to Rangoon, Burma | May 1945 to Aug 1945 | Reverse RK |
| KS | Casablanca to Brest | Sep 1939 to May 1940 | 73 slow convoys |
| KS | New York via Norfolk, Virginia to Key West | May 1942 to Sep 1942 | "Key West South"; 36 convoys; reverse KN |
| KW | Key West to Havana | Sep 1942 to Dec 1942 | Reverse CK |
| KX | UK to Gibraltar and later North African ports | Oct 1942 to Feb 1945 | In support of Operation Torch and subsequent operations; reverse XK |

## L

| Convoy | Origin and destination | Dates | Remarks |
| LC | Sydney to St. John's | Mar 1942 to Jun 1943 | Reverse CL |
| LE | Port Said or Alexandria, Egypt, via Famagusta, Cyprus, to Haifa in Palestine or Beirut in Lebanon | Jun 1941 | "Levant East"; reverse LW |
| LGE | Lagos, Nigeria, to the east along the coast of West Africa | Mar 1944 | "Lagos Eastbound"; 4 convoys; reverse LGW |
| LGW | Lagos, Nigeria, to the west along the coast of West Africa to Takoradi, Gold Coast | Sep 1943 to Dec 1944 | "Lagos Westbound"; reverse LGE |
| LM | Lagos, Nigeria to Matadi, Congo | Jul 1943 to Aug 1943 | |
| LMD | Lourenço Marques, Portuguese East Africa, to Durban, South Africa | 1943 to 1944 | "Lourenço Marques to Durban"; reverse DLM |
| LN | St. Lawrence to Labrador, Canada | Jun 1942 to Nov 1944 | Reverse NL |
| LQ | Barrier Reef ports to Brisbane | Jul 1943 to Feb 1944 | |
| LS | West African route, typically Lagos, Nigeria to Freetown, Sierra Leone | Apr 1942 to Aug 1942 | |
| LSD | Lagos, Nigeria via Freetown, Sierra Leone to Dakar, French West Africa | ??? | Reverse DSL |
| LT | Lagos, Nigeria, to Takoradi, Gold Coast | Sep 1942 to Aug 1943 | Reverse TL |
| LTS | Lagos, Nigeria via Takoradi, Gold Coast to Freetown, Sierra Leone | Sep 1943 to Sep 1944 | Reverse STL |
| LU | Humber estuary, UK to Elbe river, Germany | May 1945 to Jun 1945 | Reverse UL |
| LW | Haifa, Palestine to Port Said, Egypt | ??? | "Levant West"; reverse LE |
| LW | East coast of the US to the South-West Pacific Area | Jun 1942 to Nov 1942 | 3 convoys |

## M

| Convoy | Origin and destination | Dates | Remarks |
| MA | Mombasa or Kilindini, Kenya to Aden | Oct 1941 to Dec 1941 | 3 convoys |
| MA | Madras to Port Blair, Andaman Islands or Chittagong, India | Jan 1942 to Mar 1945 | Reverse AM |
| MB | Southampton to Brest | Sep 1939 to Oct 1939 | Troops/equipment of the British Expeditionary Force for the reinforcement of France |
| MB | Colombo to Bombay | Apr 1942 to Jan 1945 | Reverse BM |
| MB | Port Moresby to Fall River and other Papuan destination | Mar 1943 to Nov 1943 | |
| MC | Aden via Kilindini and Durban to Cape Town | Nov 1942 to Mar 1945 | Reverse CM |
| MD | Madagascar to Durban | ??? | |
| ME | Malta to Alexandria and Port Said, Egypt | Jul 1940 to Jun 1943 | "Malta Eastward" or "Malta to Egypt"; reverse MW |
| MF | Port Moresby to Milne Bay and Fall River, Papua | Dec 1943 to Mar 1944 | Four convoys; Reverse FM |
| MF | Malta to Alexandria | Jun 1940 to Oct 1940 | Four convoys |
| MG | Malta to Gibraltar | Dec 1940 to Mar 1942 | Three military convoys; reverse GM |
| MG | Mississippi to Galveston | 1942 to 1943 | Reverse GM |
| MH | Milford Haven to Holyhead | ??? 1942 to Jul 1942 | Over 240 convoys; reverse HM |
| MH | Milford Haven to Clyde River | Jan 1945 to May 1945 | |
| MK | Madagascar to Kilindini | Aug 1942 to Mar 1945 | 24 convoys; reverse KM |
| MKF | North Africa via Gibraltar to Liverpool or the Firth of Clyde | Nov 1942 to Jun 1945 | "Mediterranean to the UK Fast"; 57 fast military convoys; reverse KMF |
| MKS | North Africa via Gibraltar to Liverpool | Nov 1942 to Jun 1945 | "Mediterranean to the UK Slow"; 162 slow military convoys; reverse KMS; successor to HG after Operation Torch |
| MN | Kilindini, Kenya, or Mauritius to Seychelles for dispersal | Oct 1943 to Mar 1944 | 7 convoys |
| MO | Marseilles to Oran and other ports in North Africa | Sep 1939 to Jun 1940 | Reverse OM |
| MR | Madras to Rangoon | Jan 1942 to Mar 1942 | Support for the defence of Burma against the Japanese B invasion; reverse RM |
| MS | Melbourne to Singapore | Jan 1942 to Mar 1942 | Support for the British-led forces facing the Japanese E invasion; 4 convoys |
| MS | Marseilles to Naples | 1944 to 1945 | Reverse SM |
| MT | Methil on the Firth of Forth to Tyne estuary | Feb 1940 to Sep 1940 | "Methil to Tyne"; 175 coastal convoys |
| MT | Port Moresby, Papua to Townsville, Australia | Nov 1942 | "Port Moresby to Townsville"; single convoy |
| MTC | Bay of the Seine to Southend | Oct 1944 to Dec 1944 | 60 military convoys returning empty coasting cargo vessels to the UK; reverse TMC; successor to FTC |
| MTM | Bay of the Seine to Southend or other British ports | Oct 1944 to Nov 1944 | 19 military motor transport convoys; reverse TMM; successor to FTM |
| MV | Milne Bay, Papua to Townsville, Australia | Dec 1943 to Mar 1944 | 31 convoys |
| MW | Alexandria, Egypt to Malta | Nov 1940 to Jun 1943 | "Malta Westward"; 33 convoys |
| MWF | Port Said to Sicily, or via Malta to Bizerte or Algiers | Jul 1943 to Aug 1943 | Fast convoys; part of Operation Husky |
| MWS | Alexandria, Egypt, to various ports of Sicily | Jul 1943 to Aug 1943 | Slow convoys; part of Operation Husky |

## N

| Convoy | Origin and destination | Dates | Remarks |
| NA | Canada to UK | Jan 1942 to Oct 1942 | 16 military troopship convoys |
| NA | Langemak Bay, New Guinea to ports in the Admiralty Islands group | Apr 1944 to Aug 1944 | 36 military convoys |
| NAP | Dover to France | Dec 1944 | Military convoys |
| NB | Langemak Bay, New Guinea to Cape Gloucester, New Britain | Jun 1944 to Jul 1944 | Four small convoys; reverse BN |
| NB | Singapore to dispersal | Jan 1942 | Single convoy; related to the response to the Japanese "E" invasion of Malaya |
| NC | Walvis Bay to Cape Town, South Africa | Feb 1943 to Jun 1943 | 18 convoys |
| NCF | Oran in French northwest Africa to Sicily | Jul 1943 | Fast convoys for the Allied invasion of Sicily, Operation Husky; reverse CNF |
| NCS | Oran in French northwest Africa to Sicily | Jul 1943 | Slow convoys for the Allied invasion of Sicily, Operation Husky |
| NE | New Zealand to the Panama Canal | 1942 to 1945 | |
| NG | New York City to Guantanamo, Cuba | Aug 1942 to May 1945 | "New York to Guantánamo"; 207 convoys; reverse GN |
| NJ | Newfoundland from Botwood to St. John's | Jun 1942 to May 1944 | 36 convoys; reverse JN |
| NK | New York to Key West, Florida | Aug 1942 to May 1945 | "New York to Key West"; 164 convoys; reverse KN |
| NL | Labrador to St. Lawrence, Canada | Jul 1942 to Nov 1944 | Reverse LN |
| NLY | Lingayen Gulf, Philippine islands to Humboldt Bay, Netherlands New Guinea to Leyte, Philippine islands group | Apr 1945 to May 1945 | Five convoys |
| NP | Turkey to Port Said, Egypt | ???? | |
| NP | River Clyde to Narvik, Norway | Apr 1940 to May 1940 | Two military ferry convoys in response to the German Operation Weserübung |
| NR | Norway to Methil on the Firth of Forth | May 1945 | Reverse RN |
| NS | River Clyde to Norway | May 1940 | Two convoys in response to the German Operation Weserübung |
| NS | New Caledonia to Sydney, Australia | ??? | Reverse SN |
| NSF | North Africa to Naples, Italy | Sep 1943 to Jul 1944 | 31 convoys; in support of Operation Avalanche and follow-on operations in southern Italy; reverse SNF |
| NSM | Scapa Flow, Orkney islands group to Narvik, Norway | Apr 1940 | Single convoy (NSM.1) |
| NT | Port Moresby, New Guinea to Townsville, Australia | Jan 1943 to Mar 1944 | 75 convoys; reverse TN |
| NV | Naples to Augusta and sometimes onward to Malta | Oct 1943 to Mar 1945 | 151 convoys; reverse VN |
| NY | New York City to destinations in the Caribbean and the UK | Aug 1943 to Nov 1944 | 57 convoys |

## O

| Convoy | Origin and destination | Dates | Remarks |
| OA | Southend or Methil toward Liverpool for dispersal | Jul 1939 to Oct 1940 | 226 convoys; joined with "OB" convoys to make the passage to Gibraltar, then designated "G" and become an "OG" convoy |
| OB | Liverpool out into the Atlantic | Sep 1939 to Aug 1941 | 346 convoys; combined with "OA" convoys for passage to Gibraltar to become an "OG" convoy |
| OC | Melbourne to Newcastle | Jun 1942 to Dec 1943 | 149 convoys; reverse CO |
| OG | UK (later only Liverpool) to Gibraltar | Oct 1939 to Sep 1942 | "Outbound to Gibraltar"; mercantile convoys; combined from the "OA" and "OB" convoys; reverse HG |
| OL | Liverpool to the west for dispersal | Sep 1940 to Oct 1940 | Eight ocean outward fast convoys |
| OM | Oran to Marseilles or Toulon, France | Oct 1944 to Jan 1945 | Reverse MO |
| ON | Methil to Bergen, Norway for dispersal | Nov 1939 to Apr 1940 | "Outbound Norway" |
| ON | Liverpool to Halifax, Nova Scotia | Jul 1941 to Jun 1945 | "Outbound to North America"; 307 convoys; successor to OB series; reverse HX (fast) and SC (slow) |
| ONM | Milford Haven, Wales, and Belfast Lough, Northern Ireland | Jul 1941 to 1943 | |
| ONM | Atlantic route from Liverpool to New York City | ??? | Medium-speed ocean convoys |
| ONS | Liverpool to Halifax, Nova Scotia | Mar 1943 to Jun 1945 | Slow convoys; slow element of ON series; successor to OBS; reverse SC |
| OS | Liverpool to Freetown, Sierra Leone | Jul 1941 to May 1945 | "Outbound South" |
| OSS | Freetown, Sierra Leone, to Takoradi, Gold Coast | Jun 1942 | Extension of the "OS" route |
| OT | New York to the Caribbean (Aruba or Curaçao) and via Trinidad to northwest or west Africa | Feb 1943 to Jun 1944 | "Outbound from Trinidad"; 19 convoys; for sending fast tankers to North Africa to support Operation Torch |
| OT | Curaçao to Trinidad | May 1942 to Jul 1942 | "Outbound to Trinidad"; 14 convoys; reverse TO |
| OT | North Africa to the Dutch East Indies | Nov 1942 | Tankey convoys; after Operation Torch; reverse TO |
| OW | UK, India and Australia, with intermediate destinations | ??? | |
| OW | Australia to Ceylon, India and the Middle East | Nov 1942 to Jul 1945 | "Outbound West" |

## P

| Convoy | Origin and destination | Dates | Remarks |
| PA | Persian Gulf to Aden | Sep 1942 to Feb 1945 | |
| PAD | Pointe Noire, Congo via Freetown, Sierra Leone to Dakar, French West Africa | ??? | |
| PB | Persian Gulf to Bombay | Sep 1942 to Feb 1945 | Reverse BP |
| PG | Queensland to New South Wales, Australia | Jun 1942 to Feb 1944 | Reverse GP |
| PG | Pilottown, Mississippi, to Galveston, Texas | 1942 to 1943 | Reverse GP |
| PG | Panama Canal to Guantanamo, Cuba | Jul 1942 to Aug 1942 | Reverse GP; designed to as a response to Operation Paukenschlag |
| PGE | South from Pointe Noire, Congo | ??? | |
| PH | Piraeus, Greece to ports on the heel of Italy | Nov 1944 to Feb 1945 | Reverse HP |
| PH | Leyte, Philippine islands group to Humboldt Bay, Dutch New Guinea | Jan 1945 | |
| PK | Pilottown, Mississippi to Key West, Florida | Sep 1942 to Jan 1943 | Reverse KP |
| PN | Port Said, Egypt to Turkey | ??? | "Port Said Northward"; reverse NP |
| PQ | Iceland to ports in the northern part of the USSR | Sep 1941 to Sep 1942 | 19 convoys; reverse QP; replaced by JW series |
| PQ | Townsville, Queensland to Port Moresby, Papua | 1942 | |
| PR | Piraeus, Greece to Dardanelles ("Rabbit Island") group in Turkey | Feb 1945 to Mar 1945 | Reverse RP |
| PT | Paramaribo, Netherlands Guiana to Trinidad | 1942 to 1944 | Tanker convoys; Reverse TP |
| PT | Auckland, New Zealand to Sydney, Australia | Oct 1942 | |
| PT | Pearl Harbor to Tarawa in the Gilbert islands group | Nov 1943 to Jul 1945 | Military convoys |
| PTS | Pointe Noire, Congo via Takoradi, Gold Coast to Freetown, Sierra Leone | ??? | Reverse STP |
| PV | Melbourne to Townsville, Australia | Sep 1943 to Oct 1943 | |
| PW | Portsmouth to Wales | Jul 1941 to Jun 1944 | Reverse WP |

## Q

| Convoy | Origin and destination | Dates | Remarks |
| QL | Queensland coast, Brisbane to Townsville, Australia | Jul 1943 to Feb 1944 | Reverse LQ |
| QP | Northern USSR to Iceland and later the UK | Sep 1941 to Nov 1942 | 18 Arctic convoys; merchant ships loaded with timber; reverse PQ; replaced by RA series |
| QS | Quebec to Sydney | May 1942 to Dec 1944 | Reverse SQ |

## R

| Convoy | Origin and destination | Dates | Remarks |
| RA | Northern USSR to Loch Ewe and the River Clyde estuary of Scotland | Dec 1942 to May 1945 | Reverse JW; successor to QP series |
| RB | Newfoundland, Canada to Liverpool, UK | Sep 1942 | Single convoy (RB.1) of small passenger ships |
| RED | River Clyde via Gibraltar to the Far East | Sep 1939 to Oct 1939 | Two convoys (RED.1 and RED.2) |
| RJ | Recife to Rio de Janeiro, Brazil | 1942 to 1944 | Reverse JR |
| RK | Rangoon, Burma to Arakan, Burma and Calcutta, India | May 1945 to Aug 1945 | 48 convoys; reverse KR |
| RK | Colombo, Ceylon to Kilindini, Kenya | Apr 1944 to Jan 1945 | Four convoys; reverse KR |
| RM | Rangoon, Burma via Madras, India to Colombo, Ceylon | Jun 1945 | Three convoys; reverse MR |
| RN | Methil to Norway | May 1945 | Military convoys; reverse NR |
| RP | Dardanelles ("Rabbit Island") to Piraeus, Greece | 1945 | Reverse PR |
| RS | Gibraltar to Freetown, Sierra Leone | Feb 1943 to Mar 1945 | 31 convoys; reverse SR |
| RT | Cape Town, South Africa to Freetown, Sierra Leone | Aug 1941 | Single convoy (RT.1) |
| RT | Recife, Brazil to Trinidad | 1943 | Reverse TR |
| RU | Reykjavík, Iceland to Loch Ewe or Belfast Lough, UK | Dec 1941 to May 1945 | 169 convoys; reverse UR |

## S

| Convoy | Origin and destination | Dates | Remarks |
| SB | Sydney to Corner Brook, Newfoundland | May 1942 to Dec 1944 | Reverse BS |
| SB | Allied assault convoys for Operation Husky | Jul 1943 | Divided into SBF (fast), SBM (medium-speed) and SBS (slow) elements |
| SC | Sydney, Nova Scotia to Liverpool | Aug 1940 to Jun 1945 | North Atlantic route; slow convoys; reverse ON |
| SD | Iceland to River Clyde estuary | Apr 1941 to May 1945 | Military convoys; reverse DS |
| SD | Seychelles to Diego-Suarez, Madagascar | 1944 | |
| SG | Southend on the Thames estuary to Humber estuary | Mar 1940 to Apr 1940 | "Southend to Grimsby"; reverse GS |
| SG | Sydney to Greenland | Jul 1942 to Mar 1945 | 61 convoys; reverse GS |
| SH | Sydney to Halifax, Nova Scotia | May 1942 to May 1945 | 259 convoys; reverse HS |
| SHX | Sydney to join HX convoys | Jul 1940 to Aug 1941 | |
| Silvertip | Newhaven to Dieppe | Sep 1944 | Military ferry convoys after the break-out following Operation Overlord |
| SJ | San Juan to Guantanamo | 1942 | |
| SJ | Batavia, Dutch East Indies and Singapore to Colombo, Ceylon | Feb 1942 | Reverse JS |
| SJ | Santos to Rio de Janeiro, Brazil | 1942 to 1943 | |
| SL | Freetown, Sierra Leone to Liverpool, UK | Sep 1939 to Dec 1944 | 178 SLF (fast) and SLS (slow) convoys; from May 1943 travelled home with MKS convoys |
| SM | Singapore or Batavia, Netherlands East Indies to Fremantle, Australia | Dec 1941 to Feb 1942 | |
| SM | Naples, Italy to Marseilles, France | Aug 1944 to May 1945 | Reverse MS; part of Operation Dragoon and following operations |
| SN | Sydney, Australia to New Caledonia | 1942 to 1945 | Reverse NS |
| SNF | Salerno and Naples, Italy, to North Africa | Sep 1943 to Nov 1944 | "South from Naples Fast"; 31 fast troopship convoys; reverse NSF; following Operation Avalanche and follow-on Italian operations |
| SPAB | Chanel-Port aux Basques, Newfoundland, to Sydney, Nova Scotia | Aug 1943 to Sep 1944 | |
| SQ | Sydney to Quebec | May 1942 to Nov 1944 | Reverse QS |
| SR | Calcutta, India ("Sandheads") to Rangoon, Burma | Dec 1941 to Mar 1942 | To reinforce forces holding that country |
| SR | Freetown, Sierra Leone to Gibraltar | Feb 1943 to Apr 1945 | Reverse RS |
| SRF | South of France to Naples | Sep 1944 | Single convoy (SRF.11); returned empty vessels after Operation Dragoon |
| SRM | South of France to Naples | Aug 1944 to Oct 1944 | 17 convoys; returned empty vessels after Operation Dragoon |
| ST | Freetown, Sierra Leone to Takoradi, Gold Coast | Aug 1941 to Apr 1945 | Reverse TS |
| ST | Sydney to Townsville, Australia | Jan 1943 to May 1943 | Reverse TS |
| STC | Freetown, Sierra Leone to Takoradi, Gold Coast and onward to Cape Town, South Africa | ??? | Part of ST |
| STL | Freetown, Sierra Leone to Takoradi, Gold Coast and onward to Lagos, Nigeria | Sep 1943 to Sep 1944 | 33 convoys; part of ST; reverse LS |
| STP | Freetown, Sierra Leone to Takoradi, Gold Coast and onward to Pointe Noire, Congo | ??? | Part of ST; reverse PTS |
| STW | Freetown, Sierra Leone to Takoradi, Gold Coast and onward to Walvis Bay | 1943 to 1944 | Part of ST; reverse WTS |
| SU | Suez Canal, Aden and Colombo, Ceylon to Australia | Mar 1942 to Jan 1943 | Reverse US; troopships returning troops home for the defense of Australia against Japan |
| SV | Sydney, New South Wales to Townsville, Queensland | ??? | Reverse VS |
| SW | Suez Canal via Kilindini, Kenya to Durban or Cape Town, South Africa | Sep 1940 to Oct 1941 | Military convoys |

## T

| Convoy | Origin and destination | Dates | Remarks |
| T | Hollandia, Netherlands New Guinea to Manila, Philippine islands group | 1944 to 1945 | |
| TA | UK to United States | Jan 1942 to Jul 1945 | Military troopship convoys using mostly large liners; reverse AT |
| TA | Tobruk to Alexandria, North Africa | Dec 1941 to Jun 1942 | Reverse AT |
| TAC | Thames to Ostend, Belgium | Oct 1944 to May 1945 | 242 military convoys |
| TACA | Thames to Antwerp, Belgium | Nov 1944 to Dec 1944 | 5 military convoys; replaced by TAM series; reverse ATM |
| TAG | Trinidad via Aruba or Curaçao to Guantanamo, Cuba | Aug 1942 to May 1945 | 205 convoys; replaced the TAW series; reverse GAT |
| TAM | Thames to Antwerp, Belgium | Dec 1944 to Jun 1945 | 172 military convoys; replaced by TACA series; reverse ATM |
| Tanker | Gibraltar to Malta | ??? | British slow convoy operation in the Mediterranean |
| TAP | Thames to France | 1945 | Military convoys |
| TAW | Trinidad via Aruba or Curaçao to Key West or Guantánamo, Cuba | Jul 1942 to Aug 1942 | 19 convoys; reverse WAT; replaced by TAG series |
| TB | Trinidad to Bahia, Brazil | Jan 1943 to Jul 1943 | Reverse BT |
| TB | USA to Sydney, Australia | 1942 to 1945 | Military convoys to build-up forces in South-West Pacific Area command |
| TBC | Thames estuary to Bristol Channel | Dec 1944 to May 1945 | 162 coastal route convoys; reverse BTC |
| TC | Canada to UK | Dec 1939 to Dec 1941 | Military troopship convoys delivering Canadian troops; reverse CT |
| TC | Tunisia to Corsica | Jun 1944 to Nov 1944 | Reverse CT |
| TCU | Caribbean (and New York City) to Liverpool, UK | May 1944 to Aug 1944 | Military convoys of tankers, fast merchant ships troopships; counterpart to UC; reverse UCT |
| TD | Thursday Island to Darwin, Australia | Feb 1943 to Oct 1944 | Reverse DT |
| TD | New Zealand to Northern Australia | 1942 to 1944 | |
| TE | East from Trinidad for dispersal | 1942 to 1943 | "Trinidad Eastbound" |
| TE | Gibraltar or western North African ports to eastern North African ports | Nov 1942 to Jul 1943 | "Torch Eastbound"; after Operation Torch to keep Allied forces supplied |
| TF | Trinidad to Freetown, Sierra Leone | Nov 1942 to Jan 1944 | |
| TF | Eastern Atlantic and western Mediterranean | Nov 1942 to Aug 1944 | 7 miscellaneous convoys |
| TG | Trinidad to Guantanamo, Cuba | 1942 to 1943 | |
| TG | Tyne river to Grimsby | Mar 1940 to Apr 1940 | 2 British convoys |
| TG | Naples to Anzio | Jan 1944 | Single troopship convoy for Operation Shingle |
| TGE | East from Takoradi, Gold Coast and Lagos, Nigeria for dispersal | Sep 1943 to Nov 1944 | 18 convoys |
| TH | Trinidad to Halifax, Nova Scotia | Jun 1942 to Jul 1942 | 4 convoys; reverse HT |
| TJ | Trinidad to Natal, Recife or Rio de Janeiro, Brazil | Jul 1943 to Feb 1945 | Reverse JT; successor to TB series |
| TJF | Assault convoys for the Invasion Sicily | Jul 1943 | High-speed convoys for Operation Husky |
| TJM | Assault convoys for the Invasion Sicily | Jul 1943 | Medium-speed convoys for Operation Husky |
| TJS | Assault convoys for the Invasion Sicily | Jul 1943 | Slow-speed convoys for Operation Husky |
| TL | Takoradi, Gold Coast, to Lagos, Nigeria | May 1943 to Aug 1943 | 14 convoys |
| TLDM | Takoradi, Gold Coast via Lagos, Nigeria and Douala, Cameroun to Matadi, Congo | Nov 1942 to Apr 1943 | 4 convoys |
| TM | Tyne river and Methil, Firth of Forth | Feb 1940 to Apr 1940 | Reverse MT |
| TM | UK to Norway | Apr 1940 | British military ferry convoy to reinforce Operation Sickle |
| TM | Curaçao to Gibraltar | Jan 1943 | Single special tanker convoy for the Allied 1st Army after Operation Torch |
| TM | Taranto to the south coast of France | Aug 1944 | Single military convoy supporting Operation Dragoon |
| TMC | Thames via St. Helen's Roads, Isle of Wight to France | Oct 1944 to Dec 1944 | Initiated as the ETC series |
| TMF | Trinidad to Gibraltar | Dec 1942 to Jan 1943 | 2 fast convoys after Operation Torch |
| TMM | Thames to France | Oct 1944 to Nov 1944 | Military vehicle convoys; initiated as the ETM series |
| TN | Townsville, Australia to Port Moresby and Fall River, New Guinea | Dec 1942 to Mar 1944 | Reverse NT |
| TO | North Africa or Dakar to Aruba or Curaçao in the Caribbean Sea | Feb 1943 to May 1943 | Tanker and troopship convoys; reverse OT |
| TO | Trinidad to Curaçao | May 1942 to Jul 1942 | |
| TO | Northwest Africa via the Caribbean Sea (Aruba or Curaçao) to New York City | Nov 1942 | Fast tanker convoys returning from Operation Torch; reverse OT |
| TP | Rosyth to a Norwegian port | Apr 1940 | Single British military troop convoy (TP.1) in response to Operation Weserübung |
| TP | Trinidad to Paramaribo, Netherlands Guiana | Jan 1943 | Reverse PT |
| TP | Tarawa, Gilbert islands group to Pearl Harbor | Nov 1943 to Jan 1944 | US military convoys; reverse PT |
| TR | Trinidad to Recife, Brazil | Jan 1943 | Reverse RT |
| TRIN | Southeast from Trinidad for dispersal | Aug 1942 to Nov 1942 | |
| TS | Takoradi, Gold Coast to Freetown, Sierra Leone | Aug 1942 to Apr 1945 | Reverse ST; successor to the LS series |
| TS | Townsville to Sydney | 1943 | Reverse ST |
| TSD | Takoradi, Gold Coast via Freetown, Sierra Leone to Dakar, French West Africa | 1943 to 1945 | Reverse DST |
| TSF | Allied assault convoys for the Salerno invasion | Sep 1943 | 2 high-speed convoys for Operation Avalanche |
| TSM | Allied assault convoys for the Salerno invasion | Sep 1943 | Medium-speed convoys for Operation Avalanche |
| TSS | Allied assault convoys for the Salerno invasion | Sep 1943 | 2 slow-speed convoys for Operation Avalanche |
| TU | UK to the USA | Aug 1943 to May 1944 | 12 military troopship convoys; reverse UT |
| TUC | Liverpool, UK to the Caribbean (later New York) | Feb 1943 to Jun 1945 | 14-kt UC-series convoys of tankers, fast merchant ships troopships |
| TV | Tripoli, Libya to Valletta, Malta | Nov 1943 | Single convoy (TV.7); reverse VT |
| TV | East from Trinidad for dispersal | ??? | |
| TV | Tripoli, Libya to Alexandria, Egypt | Sep 1943 to Aug 1944 | 41 convoys; reverse XT |

## U

| Convoy | Origin and destination | Dates | Remarks |
| UA | UK to Azores | Sep 1943 to Oct 1943 | Three convoys; associated with Operation Alacrity |
| UC | Liverpool, UK to Curaçao (or New York) | Feb 1943 to Jun 1945 | 71 fast convoys of tankers and merchant ships; reverse CU |
| UCT | UK to New York | ??? | Troop convoys |
| UG | USA to North Africa | Oct 1942 to Apr 1945 | Military convoys for delivering troops for Operation Torch and follow-on operations; reverse GU |
| UGF | Chesapeake Bay to Gibraltar and the Mediterranean | Oct 1942 to Apr 1945 | 26 fast convoys; UGF.1 was the invasion force for Operation Torch |
| UGL | East Coast of the US to Gibraltar and the Mediterranean | Apr 1943 to May 1943 | 2 landing craft convoys (UGL.2, UGL.4) |
| UGS | Chesapeake Bay to Gibraltar and the Mediterranean | Nov 1942 to May 1945 | 100 slow convoys; reverse GUS |
| UL | Elbe River to the Humber River | May 1945 | Military convoys; reverse LU |
| ULU | Singapore to Bombay | Feb 1942 | Single evacuation convoy (ULU.1) just before the Japanese capture of Singapore |
| UR | Loch Ewe (later Oban and Belfast Lough) to Reykjavík | Dec 1941 to May 1945 | Reverse RU |
| US | Australia or New Zealand and later Colombo, Ceylon to the Suez Canal | Jan 1940 to Aug 1943 | Military convoys bringing troops to the Middle East; reverse SU |
| UT | United States to UK | Aug 1943 to Apr 1944 | US military troopship convoys preparing for Operation Overlord; reverse TU |

## V

| Convoy | Origin and destination | Dates | Remarks |
| VB | Townsville to Brisbane, Australia | May 1943 to Jul 1943 | Reverse BV |
| VC | Valletta, Malta to Tobruk, Cyrenaica | 1943 to 1944 | Reverse CV |
| VK | Sydney, Australia to Wellington or Auckland, New Zealand or Nouméa, New Caledonia | Dec 1940 to May 1943 | |
| VN | Malta to Naples, and then Augusta, Sicily, to Naples, Italy, and finally from Naples to Livorno, Italy | Oct 1943 to May 1945 | "Valletta to Naples"; 165 coastal convoys; reverse NV |
| VS | Townsville to Sydney, Australia | ??? | Reverse SV |
| VT | Valletta, Malta to Tripoli, Libya | Oct 1943 | Single convoy (VT.7); reverse TV |

## W

| Convoy | Origin and destination | Dates | Remarks |
| WA | Curaçao to Aruba | Oct 1942 to Jul 1944 | |
| WAP | UK to France | Jul 1944 to Oct 1944 | Military convoys for Operation Overlord and follow-on operations |
| WAT | Key West via Aruba to Trinidad | Jul 1942 to Sep 1942 | 17 convoys; reverse TAW |
| WDC | UK to France | Sep 1944 | 13 military coaster convoys; after Operation Overlord |
| WEC | Isle of Wight to France | Dec 1944 to Apr 1945 | 22 military convoys |
| WEL | Isle of Wight to France | Jun 1944 | Landing craft convoys for Operation Overlord |
| WEP | Isle of Wight to Cherbourg | Dec 1944 | Five military convoys |
| WFM | UK to France | Oct 1944 to Nov 1944 | Military convoys, following Operation Overlord |
| WHX | St John's, Newfoundland to join HX convoys | ??? | Feeder convoys for the HX series |
| WMP | Isle of Wight to Arromanches, France | Nov 1944 to Dec 1944 | Five military convoys, following Operation Overlord |
| WN | Clyde estuary (later Oban and Loch Ewe) to Methil on the Firth of Forth | Jul 1940 to May 1945 | 722 British coastal convoys |
| WNC | Isle of Wight to Le Havre | Dec 1944 to May 1945 | Military convoys |
| WNL | Isle of Wight to France | Apr 1945 to May 1945 | Military convoys |
| WO | India or Ceylon to Australia | Jan 1945 to Jul 1945 | 12 troopship convoys |
| WP | Milford Haven to Portsmouth | Jul 1941 to May 1944 | "Wales to Portsmouth"; 547 British coastal convoys |
| WS | Wabana, Newfoundland and Labrador to Sydney, Nova Scotia | ??? | |
| WS | UK via the Suez Canal to Bombay, India, or from South Africa to India | Aug 1940 to Nov 1943 | Troopship convoys |
| WS | UK to Gibraltar, Freetown, Sierra Leone, the Cape of Good Hope and the Middle East or India, or for dispersal | Jul 1940 to Aug 1943 | |
| WSC | Wabana, Newfoundland, to join SC convoys | ??? | |
| WTS | Walvis Bay via Takoradi, Gold Coast to Freetown, Sierra Leone | ??? | |
| WVC | St Helen's Roads, Isle of Wight, or the Solent to Le Havre in northern France | Dec 1944 to May 1945 | 161 supply convoys for operations in Belgium and the Netherlands into Germany |
| WVL | St Helen's Roads, Isle of Wight to Le Havre in northern France | Mar 1945 to May 1945 | Seven landing craft and supply convoys for Allied armies fighting in northern Germany |
| WVP | St Helen's Roads, Isle of Wight, or the Solent to Le Havre in northern France | Dec 1944 to May 1945 | 151 military personnel convoys for operations in Belgium and the Netherlands into Germany |
| WX | Western Desert ports to Alexandria, Egypt | ??? | |

## X

| Convoy | Origin and destination | Dates | Remarks |
| XB | Halifax, Nova Scotia to Boston or the Cape Cod Canal, Massachusetts | Mar 1942 to May 1945 | 196 convoys; reverse BX |
| XC | Chagos and Maldive island groups to Colombo, Ceylon | Apr 1943 to Dec 1944 | |
| XIF | Alexandria or Port Said, Egypt, to Taranto or Naples, Italy | Sep 1943 | Troop and military supply convoys in support of Operation Avalanche; reverse IXF |
| XK | Gibraltar to UK | Oct 1942 to May 1945 | Special Operation Torch and subsequent return convoys; reverse KX |
| XT | Detached from MW convoys to Tripoli, Libya, or plying the route from Alexandria, Egypt, to Tripoli | Feb 1943 to Jul 1944 | For operations in North Africa or for Operation Husky; reverse TX |
| XTG | Alexandria, Egypt via Tripoli, Libya, to Gibraltar | Jun 1943 | Two convoys (XTG.1 and XTG.2); reverse GTX |
| XW | Alexandria, Egypt to Western Desert | 1941 to 1943 | Supply convoys; reverse WX |

## Y

| Convoy | Origin and destination | Dates | Remarks |
| Y | Madagascar | Apr 1942 to May 1942 | British slow convoy operation for Operation Ironclad, in tandem with the Z fast convoy |

## Z

| Convoy | Origin and destination | Dates | Remarks |
| Z | Madagascar | Apr 1942 to May 1942 | British fast convoy in tandem with Y for Operation Ironclad |
| ZC | Cristóbal to Curaçao | Oct 1942 to Dec 1942 | Five tankey convoys; reverse CZ |
| ZG | Cristóbal to Guantánamo, Cuba | Aug 1942 to May 1945 | 141 convoys; reverse GZ |
| ZK | Brisbane, Australia to Port Moresby, New Guinea | Mar 1941 to Jul 1942 | |
| ZT | New Zealand to Sydney, Australia | ??? | Reverse VK |