Domestic Box Office For July 1981
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Arthur | $95,461,682 | 701 | $2,719,534 | 2.8% | 701 | Jul 17 | - | Warner Bros. |
| 2 | The Fox and the Hound | $39,900,000 | - | - | - | - | Jul 10 | - | Walt Disney Studios Motion Pictures |
| 3 | Tarzan the Ape Man | $36,565,280 | - | - | - | - | Jul 24 | - | Metro-Goldwyn-Mayer (MGM) |
| 4 | Endless Love | $31,184,024 | 574 | $4,163,623 | 13.4% | 574 | Jul 17 | - | Universal Pictures |
| 5 | Escape from New York | $25,244,626 | - | - | - | - | Jul 10 | - | Embassy Pictures |
| 6 | Under the Rainbow | $18,826,490 | 488 | $2,297,493 | 12.2% | 488 | Jul 31 | - | Warner Bros. |
| 7 | Eye of the Needle | $17,583,634 | - | - | - | - | Jul 24 | - | Metro-Goldwyn-Mayer (MGM) |
| 8 | S.O.B. | $14,867,086 | - | - | - | - | Jul 1 | - | Paramount Pictures |
| 9 | Blow Out | $12,000,000 | - | - | - | - | Jul 24 | - | Filmways Pictures |
| 10 | Victory | $10,853,418 | - | - | - | - | Jul 31 | - | Paramount Pictures |
| 11 | Wolfen | $10,626,725 | 967 | $3,037,911 | 28.6% | 967 | Jul 24 | - | Warner Bros. |
| 12 | Gas | $2,869,425 | - | - | - | - | Jul 23 | - | Paramount Pictures |
