UK Box Office 23rd May, 1980
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (new) |  | Star Wars: The Empire Strikes Back (1980) | £1,025,796 | £1,025,796 | £1,025,796 | new | 1 |
| 2 (1) |  | American Gigolo (1980) | £125,916 | £182,578 | £846,158 | -41% | 3 |
| 3 (2) |  | 1941 (1979) | £29,936 | £43,407 | £1,303,875 | -52% | 5 |
| 4 (3) |  | Dawn of the Dead (1978) | £3,842 | £4,995 | £540,340 | -33% | 11 |
| 5 (4) |  | 10 (1979) | £867 | £1,170 | £2,462,926 | -16% | 16 |
| 6 (5) |  | The Jerk (1979) | £424 | £551 | £1,966,472 | -55% | 11 |