UK Box Office 21st April, 2023
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) |  | The Super Mario Bros. Movie (2023) | £4,271,315 | £5,749,199 | £41,605,147 | -44% | 3 |
| 2 (new) |  | Evil Dead Rise (2023) | £1,477,840 | £1,477,840 | £1,477,840 | new | 1 |
| 3 (2) |  | Dungeons & Dragons: Honor Among Thieves (2023) | £768,683 | £1,160,898 | £11,913,835 | -35% | 4 |
| 4 (3) |  | John Wick: Chapter 4 (2023) | £589,976 | £945,570 | £15,905,053 | -28% | 5 |
| 5 (4) |  | Air (2023) | £516,224 | £828,471 | £3,653,838 | -29% | 3 |
| 6 (new) |  | Missing (2023) | £382,054 | £382,054 | £382,054 | new | 1 |
| 7 (5) |  | Renfield (2023) | £301,250 | £643,005 | £1,323,666 | -56% | 2 |
| 8 (new) |  | Kisi Ka Bhai Kisi Ki Jaan (2023) | £292,626 | £292,626 | £292,626 | new | 1 |
| 9 (7) |  | The Pope's Exorcist (2023) | £189,924 | £400,368 | £2,138,239 | -55% | 3 |
| 10 (new) |  | The Three Musketeers: D'Artagnan (2023) | £161,609 | £161,609 | £161,609 | new | 1 |
| 11 (6) |  | Suzume (2022) | £150,701 | £353,136 | £822,236 | -68% | 2 |
| 12 (new) | Coldplay - Music of the Spheres: Live At River Plate (2023) | £145,544 | £145,544 | £145,544 | new | 1 | |
| 13 (8) |  | Mummies (2023) | £141,249 | £168,130 | £2,619,186 | -49% | 4 |
| 14 (new) | Good: NT Live 2023 (2023) | £117,421 | £117,421 | £117,421 | new | 1 | |
| 15 (new) |  | How to Blow Up a Pipeline (2023) | £85,685 | £85,685 | £85,685 | new | 1 |
| 16 (51) |  | Exhibition On Screen: Vermeer the Blockbuster Exhibition 2023 (2023) | £78,878 | £245,432 | £246,732 | 98% | 2 |
| 17 (new) | Annhi Dea Mazaak Ae (2023) | £71,365 | £71,365 | £71,365 | new | 1 | |
| 18 (new) | Virupaksha (2023) | £47,075 | £47,075 | £47,075 | new | 1 | |
| 19 (13) |  | Puss In Boots: The Last Wish (2022) | £46,284 | £66,701 | £25,700,000 | -43% | 12 |
| 20 (12) | One Fine Morning (2022) | £45,392 | £96,268 | £178,715 | -45% | 2 | |
| 21 (re) |  | Avatar: The Way of Water (2022) | £44,509 | £44,509 | £78,900,000 | RE | 18 |
| 22 (9) |  | Shazam! Fury of the Gods (2023) | £43,000 | £107,338 | £6,000,000 | -59% | 6 |
| 23 (new) | Sick of Myself (2022) | £42,228 | £42,228 | £42,228 | new | 1 | |
| 24 (16) |  | Allelujah (2023) | £35,796 | £131,782 | £3,525,765 | -29% | 6 |
| 25 (17) |  | Rye Lane (2023) | £29,780 | £51,958 | £1,137,801 | -39% | 6 |
| 26 (new) | Money Back Guarantee (2023) | £29,034 | £29,034 | £29,034 | new | 1 | |
| 27 (15) |  | Scream VI (2023) | £23,000 | £104,442 | £7,700,000 | -70% | 7 |
| 28 (new) | Over My Dead Body (2023) | £22,630 | £22,630 | £22,630 | new | 1 | |
| 29 (new) |  | A Thousand and One (2023) | £21,873 | £21,873 | £21,873 | new | 1 |
| 30 (18) | Cairo Conspiracy (2022) | £20,911 | £38,573 | £84,000 | -54% | 2 | |
| 31 (14) |  | Creed III (2023) | £20,000 | £3,180 | £14,200,000 | -74% | 8 |
| 32 (re) |  | The Batman (2022) | £15,773 | £15,773 | £40,811,982 | RE | 15 |
| 33 (new) | Say I Do to Me (2023) | £14,718 | £14,718 | £14,718 | new | 1 | |
| 34 (new) | Pray For Our Sinners (2023) | £14,162 | £14,162 | £14,162 | new | 1 | |
| 35 (22) | Godland (2022) | £10,776 | £24,495 | £132,059 | -52% | 3 | |
| 36 (new) |  | Alien (1979) 26 April – Alien Day | £8,678 | £8,678 | £8,678 | RE | 37 |
| 37 (new) |  | Aliens (1986) 26 April – Alien Day | £8,059 | £8,059 | £8,059 | RE | 25 |
| 38 (27) | The Gruffalo w/ The Highway Rat (2023) | £7,351 | £9,432 | £27,922 | -37% | 4 | |
| 39 (41) |  | Matilda: The Musical (2022) | £6,111 | £6,852 | £28,004,564 | 41% | 22 |
| 40 (new) | Pacifiction (2022) | £5,763 | £5,763 | £5,763 | new | 1 | |
| 41 (re) |  | Bridget Jones's Diary (2001) Rerelease | £5,607 | £5,607 | £42,051,581 | RE | 21 |
| 42 (new) | Harley (2023) | £4,932 | £4,932 | £4,932 | new | 1 | |
| 43 (28) |  | What's Love Got to Do With It? (2023) | £4,615 | £19,086 | £4,767,794 | -59% | 9 |
| 44 (29) |  | Antarctica (2020) | £4,450 | £8,806 | £1,293,632 | -58% | 82 |
| 45 (39) | Zog w/ The Gruffalos Child (2023) | £3,828 | £4,703 | £53,321 | -8% | 3 | |
| 46 (re) |  | American Honey (2016) | £3,594 | £3,594 | £481,255 | RE | 9 |
| 47 (new) | A Clever Woman (2023) | £3,368 | £3,368 | £3,368 | new | 1 | |
| 48 (35) |  | Ant-Man and the Wasp Quantumania (2023) | £3,196 | £6,542 | £19,255,069 | -46% | 10 |
| 49 (43) | Dance Craze (2023) 4K Remaster | £2,678 | £8,696 | £68,645 | -5% | 5 | |
| 50 (11) | Cinderella: ROH London 2023 (2023) | £2,381 | £531,457 | £626,200 | -97% | 2 | |
| 51 (new) | Neelavelicham (2023) | £2,123 | £2,123 | £2,123 | new | 1 | |
| 52 (re) |  | The Rocky Horror Picture Show (1975) Rerelease | £2,117 | £2,117 | £608,322 | RE | 15 |
| 53 (re) |  | Cocaine Bear (2023) | £1,999 | £1,999 | £5,416,971 | RE | 8 |
| 54 (re) | Fashion Reimagined (2023) | £1,968 | £1,968 | £39,210 | RE | 4 | |
| 55 (44) | In the Court of the Crimson King (2022) | £1,943 | £8,726 | £45,816 | -26% | 3 | |
| 56 (new) | Kadina Kadoramee Andakadaham (2023) | £1,783 | £1,783 | £1,783 | new | 1 | |
| 57 (42) | Lola (2023) | £1,635 | £3,687 | £26,063 | -54% | 3 | |
| 58 (46) | Heathers: The Musical (2022) | £1,574 | £8,358 | £250,888 | -22% | 4 | |
| 59 (new) | Free Money (2023) | £1,505 | £1,505 | £1,505 | new | 1 | |
| 60 (re) |  | Champions (2023) | £1,379 | £1,379 | £832,934 | RE | 4 |
| 61 (19) |  | Assassin Club (2023) | £1,100 | £31,813 | £75,000 | -97% | 2 |
| 62 (new) | Ayalvaashi (2023) | £1,074 | £1,074 | £1,074 | new | 1 | |
| 63 (48) |  | TÁR (2022) | £1,062 | £2,282 | £2,508,931 | -33% | 15 |
| 64 (37) |  | Superman (1978) 45th Anniversary | £1,002 | £1,939 | £64,969 | -81% | 19 |
| 65 (new) | Daadal (2023) | £855 | £855 | £855 | new | 1 | |
| 66 (re) |  | The Banshees of Inisherin (2022) | £812 | £812 | £9,980,312 | RE | 26 |
| 67 (new) | Kindling (2023) | £200 | £200 | £200 | new | 1 | |
| 68 (re) |  | Empire of Light (2023) | £90 | £90 | £3,887,397 | RE | 12 |
| 69 (re) |  | The Fabelmans (2022) | £59 | £59 | £3,487,740 | RE | 10 |