This is a list of films which have placed number one at the weekend box office in the United Kingdom during 2002.
| † | This implies the highest-grossing movie of the year. [1] |
| # | Weekend End Date | Film | Box Office [2] | Notes |
|---|---|---|---|---|
| 1 | 6 January 2002 | The Lord of the Rings: The Fellowship of the Ring | £5,967,910 | |
| 2 | 13 January 2002 | £4,371,354 | ||
| 3 | 20 January 2002 | £3,276,912 | ||
| 4 | 27 January 2002 | Vanilla Sky | £2,978,264 | |
| 5 | 3 February 2002 | £1,743,556 | ||
| 6 | 10 February 2002 | Monsters, Inc. | £9,200,257 | |
| 7 | 17 February 2002 | £5,757,712 | ||
| 8 | 24 February 2002 | £4,234,293 | ||
| 9 | 3 March 2002 | Ocean's Eleven | £2,623,689 | Ocean's Eleven reached number one in its third week of release |
| 10 | 10 March 2002 | £1,850,350 | ||
| 11 | 17 March 2002 | £1,357,063 | ||
| 12 | 24 March 2002 | Ali G Indahouse | £3,231,673 | |
| 13 | 31 March 2002 | Blade II | £2,540,226 | |
| 14 | 7 April 2002 | £1,335,594 | ||
| 15 | 14 April 2002 | Bend It Like Beckham | £2,001,795 | |
| 16 | 21 April 2002 | £1,721,146 | ||
| 17 | 28 April 2002 | About a Boy | £3,747,966 | |
| 18 | 5 May 2002 | £2,239,288 | ||
| 19 | 12 May 2002 | £1,521,312 | ||
| 20 | 19 May 2002 | Star Wars: Episode II – Attack of the Clones | £11,386,209 | |
| 21 | 26 May 2002 | £5,955,017 | ||
| 22 | 2 June 2002 | £2,442,698 | ||
| 23 | 9 June 2002 | £2,058,716 | ||
| 24 | 16 June 2002 | Spider-Man | £9,426,969 | |
| 25 | 23 June 2002 | £4,255,920 | ||
| 26 | 30 June 2002 | £2,605,993 | ||
| 27 | 7 July 2002 | Minority Report | £4,506,315 | |
| 28 | 14 July 2002 | Scooby-Doo | £5,129,109 | |
| 29 | 21 July 2002 | £2,513,564 | ||
| 30 | 28 July 2002 | Austin Powers in Goldmember | £5,585,978 | |
| 31 | 4 August 2002 | Men in Black II | £6,191,428 | |
| 32 | 11 August 2002 | £3,106,105 | ||
| 33 | 18 August 2002 | £1,403,344 | ||
| 34 | 25 August 2002 | The Guru | £1,521,984 | |
| 35 | 1 September 2002 | Insomnia | £1,159,754 | |
| 36 | 8 September 2002 | The Bourne Identity | £2,150,511 | |
| 37 | 15 September 2002 | Signs | £3,767,713 | |
| 38 | 22 September 2002 | £2,657,379 | ||
| 39 | 29 September 2002 | £1,877,796 | ||
| 40 | 6 October 2002 | Lilo & Stitch | £1,516,249 | |
| 41 | 13 October 2002 | Red Dragon | £3,180,493 | |
| 42 | 20 October 2002 | xXx | £3,435,891 | |
| 43 | 27 October 2002 | £2,044,850 | ||
| 44 | 3 November 2002 | 28 Days Later | £1,500,079 | |
| 45 | 10 November 2002 | £1,073,142 | ||
| 46 | 17 November 2002 | Harry Potter and the Chamber of Secrets † | £18,871,829 | |
| 47 | 24 November 2002 | Die Another Day | £9,122,344 | |
| 48 | 1 December 2002 | £5,364,433 | ||
| 49 | 8 December 2002 | £3,426,623 | ||
| 50 | 15 December 2002 | £2,220,351 | ||
| 51 | 22 December 2002 | The Lord of the Rings: The Two Towers | £13,063,560 | |
| 52 | 29 December 2002 | £8,177,801 | ||