# List of 1948 box office number-one films in the United States

This is a list of films which placed number one at the weekly box office in the United States during 1948 per Variety's weekly National Boxoffice Survey. The results are based on a sample of 20-25 key cities and therefore, any box office amounts quoted may not be the total that the film grossed nationally in the week.

## Number-one films

| † | This implies the highest-grossing movie of the year. |
| # | Week ending | Film | Notes |
| 1 | January 7, 1948 | Captain from Castile | |
| 2 | January 14, 1948 | Road to Rio † | Road to Rio reached number one in its third week of release |
| 3 | January 21, 1948 | Road to Rio † | |
| 4 | January 28, 1948 | The Treasure of the Sierra Madre | Treasure of the Sierra Madre reached number one in its second week of release. |
| 5 | February 4, 1948 | The Treasure of the Sierra Madre | |
| 6 | February 11, 1948 | You Were Meant for Me | You Were Meant for Me reached number one in its second week of release |
| 7 | February 18, 1948 | To the Ends of the Earth | |
| 8 | February 25, 1948 | The Voice of the Turtle | The Voice of the Turtle reached number one in its ninth week of release |
| 9 | March 3, 1948 | Call Northside 777 | Call Northside 777 reached number one in its third week of release with a gross of $500,000 from 17 cities. |
| 10 | March 10, 1948 | Call Northside 777 | |
| 11 | March 17, 1948 | Saigon | |
| 12 | March 24, 1948 | Gentleman's Agreement | |
| 13 | March 31, 1948 | Sitting Pretty | Sitting Pretty reached number one in its third week of release |
| 14 | April 7, 1948 | The Naked City | The Naked City reached number one in its fifth week of release. |
| 15 | April 14, 1948 | The Naked City | |
| 16 | April 21, 1948 | I Remember Mama | I Remember Mama reached number one in its sixth week of release |
| 17 | April 28, 1948 | The Big Clock | The Big Clock reached number one in its third week of release |
| 18 | May 5, 1948 | State of the Union | State of the Union grossed $578,000 from 21 key cities |
| 19 | May 12, 1948 | State of the Union | |
| 20 | May 19, 1948 | The Iron Curtain | The Iron Curtain grossed over $500,000 from 20 key cities. |
| 21 | May 26, 1948 | The Iron Curtain | |
| 22 | June 2, 1948 | Homecoming | Homecoming reached number one in its fifth week of release. |
| 23 | June 9, 1948 | Homecoming | |
| 24 | June 16, 1948 | Homecoming | |
| 25 | June 23, 1948 | Homecoming | |
| 26 | June 30, 1948 | The Emperor Waltz | The Emperor Waltz reached number one in its fifth week of release |
| 27 | July 7, 1948 | The Emperor Waltz | The Emperor Waltz grossed over $400,000 for the week. |
| 28 | July 14, 1948 | The Emperor Waltz | The Emperor Waltz grossed $379,000 for the week. |
| 29 | July 21, 1948 | The Emperor Waltz | |
| 30 | July 28, 1948 | Easter Parade | Easter Parade reached number one in its fourth week of release |
| 31 | August 4, 1948 | Key Largo | |
| 32 | August 11, 1948 | Key Largo | |
| 33 | August 18, 1948 | Key Largo | |
| 34 | August 25, 1948 | A Date with Judy | A Date with Judy reached number one in its fourth week of release. |
| 35 | September 1, 1948 | A Date with Judy | |
| 36 | September 8, 1948 | A Date with Judy | |
| 37 | September 15, 1948 | A Date with Judy | |
| 38 | September 22, 1948 | Rachel and the Stranger | |
| 39 | September 29, 1948 | Rachel and the Stranger | |
| 40 | October 6, 1948 | Sorry, Wrong Number | |
| 41 | October 13, 1948 | Sorry, Wrong Number | |
| 42 | October 20, 1948 | Johnny Belinda | |
| 43 | October 27, 1948 | Apartment for Peggy | |
| 44 | November 3, 1948 | Red River | |
| 45 | November 10, 1948 | A Song Is Born | |
| 46 | November 17, 1948 | Road House | |
| 47 | November 24, 1948 | Julia Misbehaves | |
| 48 | December 1, 1948 | When My Baby Smiles at Me | When My Baby Smiles at Me grossed nearly $560,000 from 19 key cities in its fourth week of release. |
| 49 | December 8, 1948 | The Three Musketeers | |
| 50 | December 15, 1948 | When My Baby Smiles at Me | When My Baby Smiles at Me returned to number one in its sixth week of release. |
| 51 | December 22, 1948 | The Paleface | |
| 52 | December 29, 1948 | The Paleface | |