UK Weekend Box Office
UK Box Office 13th February, 1981
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (new) | Prom Night (1981) | £295,925 | £295,925 | £295,925 | new | 1 | |
| 2 (1) |  | The Jazz Singer (1981) | £266,250 | £386,063 | £1,248,563 | -27% | 3 |
| 3 (3) |  | Flash Gordon (1980) | £84,432 | £122,426 | £8,629,048 | -36% | 10 |
| 4 (4) |  | The Blue Lagoon (1980) | £1,643 | £2,300 | £1,553,221 | -56% | 9 |