Domestic Box Office For February 1980
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | American Gigolo | $22,743,674 | 570 | $3,559,930 | 15.7% | 570 | Feb 1 | - | Paramount Pictures |
| 2 | The Fog | $21,378,361 | - | - | - | - | Feb 1 | - | AVCO Embassy Pictures |
| 3 | Cruising | $19,784,223 | - | - | - | - | Feb 15 | - | Metro-Goldwyn-Mayer (MGM) |
| 4 | Hero at Large | $15,934,737 | 486 | $1,850,725 | 11.6% | 486 | Feb 8 | - | Metro-Goldwyn-Mayer (MGM) |
| 5 | The Last Married Couple in America | $12,835,544 | 488 | $2,454,289 | 19.1% | 488 | Feb 8 | - | Universal Pictures |
| 6 | Saturn 3 | $9,000,000 | - | - | - | - | Feb 15 | - | Associated Film Distribution (AFD) |
| 7 | Fatso | $7,653,061 | - | - | - | - | Feb 1 | - | Twentieth Century Fox |
| 8 | Foxes | $7,470,348 | 34 | $221,141 | 3% | 34 | Feb 29 | - | Metro-Goldwyn-Mayer (MGM) |
| 9 | Jaws 2 1980 Re-release | $4,028,735 | 26 | $1,382,756 | 34.3% | 26 | Feb 15 | - | Universal Pictures |
| 10 | Midnight Madness | $2,900,000 | - | - | - | - | Feb 8 | - | Walt Disney Studios Motion Pictures |
| 11 | Just Tell Me What You Want | $2,086,905 | 49 | $197,230 | 9.5% | 49 | Feb 8 | - | Warner Bros. |
| 12 | Leo and Loree | $517,988 | - | - | - | - | Feb 29 | - | Metro-Goldwyn-Mayer (MGM) |
