Domestic Box Office For August 1980
| Rank | Release | Gross | Theaters | Total Gross | Release Date | Distributor |
|---|---|---|---|---|---|---|
| 1 | Smokey and the Bandit II | $66,132,626 | 1,196 | $66,132,626 | Aug 15 | Universal Pictures |
| 2 | Xanadu | $22,762,571 | 249 | $22,762,571 | Aug 8 | Universal Pictures |
| 3 | Star Wars: Episode V - The Empire Strikes Back | $21,652,712 | 1,278 | $209,398,025 | May 21 | Twentieth Century Fox |
| 4 | The Fiendish Plot of Dr. Fu Manchu | $10,697,276 | 465 | $10,697,276 | Aug 8 | Warner Bros. |
| 5 | Why Would I Lie? | $1,175,855 | 56 | $1,175,855 | Aug 8 | Metro-Goldwyn-Mayer (MGM) |
| 6 | Battle Creek Brawl | $1,108,025 | 231 | $8,527,743 | Aug 29 | Warner Bros. |
| 7 | Those Lips, Those Eyes | $804,713 | 51 | $804,713 | Aug 15 | Metro-Goldwyn-Mayer (MGM) |
| 8 | He Knows You're Alone | $748,824 | 279 | $4,875,436 | Aug 29 | Metro-Goldwyn-Mayer (MGM) |
