UK Box Office 30th May, 1980
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) |  | Star Wars: The Empire Strikes Back (1980) | £1,038,162 | £1,349,611 | £2,375,407 | 1% | 2 |
| 2 (new) |  | The Final Countdown (1980) | £277,463 | £277,463 | £277,463 | new | 1 |
| 3 (2) |  | American Gigolo (1980) | £74,068 | £103,695 | £949,853 | -41% | 4 |
| 4 (3) |  | 1941 (1979) | £14,255 | £18,532 | £1,322,407 | -52% | 6 |
| 5 (4) |  | Dawn of the Dead (1978) | £2,955 | £3,842 | £544,182 | -23% | 12 |
| 6 (5) |  | 10 (1979) | £578 | £780 | £2,463,706 | -33% | 17 |
| 7 (6) |  | The Jerk (1979) | £193 | £261 | £1,966,733 | -54% | 12 |