UK Weekend Box Office
UK Box Office 30th January, 1981
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) |  | Any Which Way You Can (1981) | £558,105 | £781,347 | £4,076,084 | -32% | 4 |
| 2 (2) |  | Flash Gordon (1980) | £499,766 | £699,672 | £8,314,890 | -2% | 8 |
| 3 (new) |  | The Jazz Singer (1981) | £355,000 | £355,000 | £355,000 | new | 1 |
| 4 (3) |  | The Blue Lagoon (1980) | £8,316 | £11,227 | £1,545,562 | -56% | 7 |