All R-Rated Movies Reporting Box Office During the Year 2021
| Rank | Title | Distributor | Release Date | Rating | Total in Year | Total To-Date |
|---|---|---|---|---|---|---|
| - | Halloween Kills | Universal Pictures | Oct 15, 2021 | R | $92,002,155 | $92,002,155 |
| 1 | The Conjuring: The Devil Made Me Do It | Warner Bros. | Jun 4, 2021 | R | $65,513,102 | $65,513,102 |
| 2 | Candyman | Universal Pictures | Aug 27, 2021 | R | $61,186,570 | $61,186,570 |
| 3 | The Suicide Squad | Warner Bros. | Aug 6, 2021 | R | $55,795,457 | $55,795,457 |
| 4 | Demon Slayer: Kimetsu no Yaiba – The Movie: Mugen Train | FUNimation Entertainment | Apr 23, 2021 | R | $49,505,008 | $49,505,008 |
| 5 | House of Gucci | United Artists Releasing | Nov 24, 2021 | R | $49,453,205 | $53,809,574 |
| 6 | The Forever Purge | Universal Pictures | Jul 2, 2021 | R | $44,539,245 | $44,539,245 |
| 7 | Hitman’s Wife’s Bodyguard | Lionsgate | Jun 16, 2021 | R | $38,014,727 | $38,014,727 |
| 8 | Mortal Kombat | Warner Bros. | Apr 23, 2021 | R | $37,354,630 | $37,354,630 |
| 9 | Don’t Breathe 2 | Screen Gems | Aug 13, 2021 | R | $32,638,038 | $32,638,038 |
| 10 | The Matrix Resurrections | Warner Bros. | Dec 22, 2021 | R | $32,457,103 | $37,686,805 |
| 11 | Wrath of Man | United Artists Releasing | May 7, 2021 | R | $27,466,489 | $27,466,489 |
| 12 | Nobody | Universal Pictures | Mar 26, 2021 | R | $27,268,035 | $27,268,035 |
| 13 | Spiral | Lionsgate | May 14, 2021 | R | $23,216,862 | $23,216,862 |
| 14 | The King’s Man | 20th Century Studios | Dec 22, 2021 | R | $21,819,034 | $37,176,373 |
| 15 | The Green Knight | A24 | Jul 30, 2021 | R | $17,173,321 | $17,173,321 |
| 16 | Resident Evil: Welcome to Raccoon City | Screen Gems | Nov 24, 2021 | R | $16,942,649 | $17,000,612 |
| 17 | The French Dispatch | Searchlight Pictures | Oct 22, 2021 | R | $16,020,722 | $16,124,375 |
| 18 | The Little Things | Warner Bros. | Jan 29, 2021 | R | $15,241,800 | $15,241,800 |
| 19 | Stillwater | Focus Features | Jul 30, 2021 | R | $14,465,535 | $14,465,535 |
| 20 | Malignant | Warner Bros. | Sep 10, 2021 | R | $13,334,116 | $13,334,116 |
| 21 | The Last Duel | 20th Century Studios | Oct 15, 2021 | R | $10,853,945 | $10,853,945 |
| 22 | Antlers | Searchlight Pictures | Oct 29, 2021 | R | $10,619,670 | $10,619,670 |
| 23 | Last Night in Soho | Focus Features | Oct 29, 2021 | R | $10,127,625 | $10,127,625 |
| 24 | Nightmare Alley | Searchlight Pictures | Dec 17, 2021 | R | $8,145,697 | $11,338,107 |