UK Weekend Box Office
UK Box Office 7th January, 1977
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (new) |  | Rocky (1976) | £1,059,677 | £1,059,677 | £1,059,677 | new | 1 |
| 2 (1) |  | The Enforcer (1976) | £633,692 | £887,169 | £1,854,552 | -34% | 2 |
| 3 (2) |  | King Kong (1976) | £311,533 | £451,723 | £1,074,789 | -50% | 2 |
| 4 (3) |  | Marathon Man (1976) | £108,765 | £141,395 | £1,432,435 | -50% | 4 |