UK Weekend Box Office
UK Box Office 20th May, 2011
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (new) |  | Pirates of the Caribbean: On Stranger Tides () | £11,634,860 | £11,634,860 | £11,634,860 | new | 1 |
| 2 (2) |  | Fast Five () | £587,617 | £1,058,357 | £17,399,224 | -49% | 5 |
| 3 (1) |  | Thor (2011) | £528,701 | £1,045,273 | £12,869,718 | -61% | 4 |
| 4 (4) |  | Insidious () | £451,139 | £866,163 | £6,386,799 | -53% | 4 |
| 5 (3) |  | Attack the Block (2011) | £355,232 | £791,560 | £1,925,419 | -69% | 2 |
| 6 (5) |  | Hanna () | £286,997 | £629,599 | £3,182,700 | -65% | 3 |
| 7 (7) |  | Rio () | £284,085 | £340,992 | £12,064,570 | -52% | 7 |
| 8 (6) |  | Water For Elephants () | £266,345 | £608,832 | £3,202,936 | -62% | 3 |
| 9 (new) |  | Blitz (2011) | £266,148 | £266,148 | £266,148 | new | 1 |
| 10 (new) |  | Win Win () | £155,463 | £155,463 | £155,463 | new | 1 |
| 11 (8) |  | Something Borrowed () | £122,415 | £320,968 | £1,917,050 | -75% | 3 |
| 12 (new) | Fire In Babylon (2011) | £107,312 | £107,312 | £107,312 | new | 1 | |
| 13 (11) |  | Hop (2011) | £63,625 | £73,557 | £7,393,982 | -58% | 8 |
| 14 (new) | Julias Eyes (2011) | £49,142 | £49,142 | £49,142 | new | 1 | |
| 15 (re) |  | Rango (2011) | £40,480 | £40,480 | £6,861,438 | re | 6 |