UK Weekend Box Office
UK Box Office 23rd January, 1981
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) |  | Any Which Way You Can (1981) | £822,942 | £1,152,119 | £3,294,737 | -7% | 3 |
| 2 (2) |  | Flash Gordon (1980) | £512,437 | £691,790 | £7,615,218 | -31% | 7 |
| 3 (3) |  | The Blue Lagoon (1980) | £18,711 | £26,195 | £1,534,335 | -56% | 6 |