British Box Office For May 2018
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Deadpool 2 | $44,625,880 | 1,796 | $17,892,380 | 40.1% | 1,796 | May 16 | - | 20th Century Fox International |
| 2 | Solo: A Star Wars Story | $25,840,047 | 684 | $8,069,062 | 31.2% | 680 | May 24 | - | Walt Disney Pictures |
| 3 | Sherlock Gnomes | $12,173,685 | 709 | $3,415,557 | 28.1% | 709 | May 11 | - | Paramount Pictures International |
| 4 | I Feel Pretty | $7,152,186 | 531 | $1,721,453 | 24.1% | 520 | May 4 | - | STX International |
| 5 | Show Dogs | $4,677,834 | 517 | $731,065 | 15.6% | 513 | May 25 | - | Entertainment One |
| 6 | Life of the Party | $2,216,326 | 449 | $837,366 | 37.8% | 449 | May 11 | - | Warner Bros. |
| 7 | Breaking In | $1,664,919 | 314 | $571,444 | 34.3% | 314 | May 11 | - | Universal Pictures International (UPI) |
| 8 | On Chesil Beach | $1,303,400 | 214 | $90,246 | 6.9% | 31 | May 18 | - | Lionsgate |
| 9 | 2001: A Space Odyssey 2018 Re-release | $824,345 | 267 | $6,257 | 0.8% | 1 | May 18 | - | Warner Bros. |
| 10 | Tully | $665,820 | 200 | $187,651 | 28.2% | 200 | May 4 | - | Universal Pictures International (UPI) |
| 11 | Lean on Pete | $620,653 | 52 | $115,828 | 18.7% | 46 | May 4 | - | Curzon Film Distributors |
| 12 | Edie | $608,269 | 112 | $91,176 | 15% | 100 | May 25 | - | Arrow Films |
| 13 | The Strangers: Prey at Night | $583,990 | 299 | $277,842 | 47.6% | 299 | May 4 | - | Vertigo Films |
| 14 | 7 Days in Entebbe | $441,474 | 124 | $187,419 | 42.5% | 124 | May 11 | - | Entertainment One |
| 15 | Raazi | $355,051 | 62 | $203,629 | 57.4% | 62 | May 11 | - | Zee Studios |
| 16 | 102 Not Out | $244,167 | 53 | $92,419 | 37.9% | 53 | May 4 | - | Sony Pictures Releasing |
| 17 | Mary and the Witch's Flower | $161,203 | 78 | $161,203 | 100% | 78 | May 4 | - | Altitude Film Entertainment |
| 18 | The Little Vampire 3D | $153,849 | 85 | $27,357 | 17.8% | 85 | May 25 | - | Signature Entertainment |
| 19 | The Breadwinner 2018 Re-release | $105,505 | 77 | $105,505 | 100% | 77 | May 25 | - | StudioCanal |
| 20 | Bride and Groom | $94,988 | 205 | $94,988 | 100% | 205 | May 4 | - | Phoenix Productions (II) |
| 21 | That Good Night | $79,711 | 19 | $10,750 | 13.5% | 19 | May 11 | - | Trafalgar Studios |
| 22 | Godard Mon Amour | $52,875 | 26 | $52,875 | 100% | 26 | May 11 | - | Thunderbird Releasing |
| 23 | Mahanati | $48,588 | 15 | $48,588 | 100% | 15 | May 11 | - | Sailing Stones Productions |
| 24 | Anon | $37,957 | 61 | $25,878 | 68.2% | 61 | May 11 | - | Sky Cinema |
| 25 | Revenge | $36,878 | 39 | $36,878 | 100% | 39 | May 11 | - | Vertigo Films |
| 26 | How to Talk to Girls at Parties | $31,570 | 12 | $31,570 | 100% | 12 | May 11 | - | StudioCanal |
| 27 | Parmanu: The Story of Pokhran | $30,033 | 23 | $30,033 | 100% | 23 | May 25 | - | Zee Studios |
| 28 | Zama | $24,857 | 14 | $24,857 | 100% | 14 | May 25 | - | New Wave Films |
| 29 | Daana Paani | $22,367 | 11 | $22,367 | 100% | 11 | May 4 | - | Rising Star Entertainment |
| 30 | A Cambodian Spring | $19,405 | 6 | $10,830 | 55.8% | 6 | May 18 | - | Independent Films |
| 31 | A Wizard's Tale | $17,973 | 85 | $17,973 | 100% | 85 | May 11 | - | Signature Entertainment |
| 32 | Irumbu Thirai | $15,348 | 5 | $15,348 | 100% | 5 | May 11 | - | Murugan Talkies |
| 33 | Harjeeta | $14,799 | 16 | $14,799 | 100% | 16 | May 18 | - | Rising Star Entertainment |
| 34 | New Town Utopia | $14,793 | 2 | $2,773 | 18.7% | 2 | May 4 | - | Verve Pictures |
| 35 | A or B | $10,898 | 10 | $7,369 | 67.6% | 10 | May 4 | - | Cine Asia Films |
| 36 | Filmworker | $10,219 | 16 | $10,219 | 100% | 16 | May 18 | - | - |
| 37 | Kasal | $9,000 | 3 | $9,000 | 100% | 3 | May 25 | - | ABS-CBN Film Productions |
| 38 | The Sound of Music 2018 Re-release | $8,221 | 10 | $8,221 | 100% | 10 | May 18 | - | Park Circus |
| 39 | Panchavarnathatha | $7,544 | 26 | $7,544 | 100% | 26 | May 25 | - | RFT Films |
| 40 | The Rape of Recy Taylor | $6,828 | 9 | $6,828 | 100% | 9 | May 25 | - | - |
| 41 | Citizen Lane | $6,302 | 8 | $6,302 | 100% | 8 | May 18 | - | Eclipse Pictures |
| 42 | Kaali | $4,684 | 5 | $4,684 | 100% | 5 | May 18 | - | RFT Films |
| 43 | Modern Life Is Rubbish | $4,153 | 9 | $3,291 | 79.2% | 9 | May 4 | - | Lipsync Productions |
| 44 | Nela Ticket | $2,435 | 11 | $2,435 | 100% | 11 | May 25 | - | Sailing Stones Productions |
| 45 | Kande | $2,333 | 8 | $2,333 | 100% | 8 | May 11 | - | Rising Star Entertainment |
| 46 | This is Congo | $1,854 | 2 | $1,854 | 100% | 2 | May 25 | - | - |
| 47 | Mansfield 66/67 | $1,460 | 3 | $1,460 | 100% | 3 | May 11 | - | Peccadillo Pictures |
| 48 | Dive | $1,012 | 5 | $1,012 | 100% | 5 | May 18 | - | Independent Films |
| 49 | Kammara Sambhavam | $731 | 2 | $731 | 100% | 2 | May 4 | - | RFT Films |
| 50 | Mayurakshi | $590 | 1 | $590 | 100% | 1 | May 4 | - | - |
| 51 | Iruttu Araiyil Murattu Kuthu | $512 | 2 | $512 | 100% | 2 | May 11 | - | Murugan Talkies |
| 52 | Uncle | $287 | 2 | $287 | 100% | 2 | May 11 | - | RFT Films |
| 53 | Udanchhoo | $178 | 2 | $178 | 100% | 2 | May 18 | - | Blue Sapphire Films |
| 54 | Allure | $39 | 1 | $39 | 100% | 1 | May 18 | - | Eureka Entertainment |
