UK Box Office 26th December, 1975
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (new) |  | Jaws (1975) | £1,077,183 | £1,077,183 | £1,077,183 | new | 1 |
| 2 (2) |  | Dog Day Afternoon (1975) | £500,126 | £725,183 | £825,435 | 80% | 2 |
| 3 (1) |  | The Man Who Would Be King (1975) | £228,426 | £296,954 | £668,020 | -38% | 2 |
| 4 (3) |  | Once Is Not Enough (1975) | £39,471 | £51,312 | £496,537 | -33% | 4 |
| 5 (4) |  | Shampoo (1975) | £400 | £560 | £1,498,309 | -20% | 16 |