UK Weekend Box Office
UK Box Office 10th April, 1981
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (new) |  | Superman II (1980) | £1,008,333 | £1,008,333 | £1,008,333 | new | 1 |
| 2 (1) |  | 9 to 5 (1980) | £448,260 | £649,977 | £1,923,151 | -1% | 3 |
| 3 (new) |  | Tess (1981) | £431,500 | £431,500 | £431,500 | new | 1 |
| 4 (re) | Popeye (1981) | £430,384 | £430,384 | £830,384 | re | 1 | |
| 5 (2) |  | Private Benjamin (1980) | £103,399 | £144,759 | £2,081,184 | -58% | 5 |
| 6 (3) |  | Ordinary People (1981) | £28,525 | £39,935 | £1,702,252 | -50% | 6 |
| 7 (4) |  | Battle Beyond the Stars (1980) | £1,565 | £2,269 | £355,149 | -47% | 8 |