Hong Kong Box Office For May 2021
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | F9: The Fast Saga | $4,630,094 | - | $2,441,070 | 52.7% | - | May 19 | - | Universal Pictures |
| 2 | Cruella | $2,765,152 | - | $665,251 | 24.1% | - | May 27 | - | Walt Disney Studios Motion Pictures |
| 3 | 77 Heartwarmings | $545,693 | - | $210,094 | 38.5% | - | May 14 | - | Emperor Motion Pictures |
| 4 | The Courier | $444,130 | 44 | $146,340 | 32.9% | 44 | May 27 | - | Sundream Motion Pictures |
| 5 | The Mauritanian | $407,051 | - | $140,165 | 34.4% | - | May 13 | - | - |
| 6 | The Courier | $353,983 | - | $139,871 | 39.5% | - | May 27 | - | - |
| 7 | Home Sweet Home | $161,529 | - | - | - | - | May 6 | - | - |
| 8 | Those Who Wish Me Dead | $135,794 | - | - | - | - | May 6 | - | Warner Bros. |
| 9 | Persian Lessons | $130,129 | - | - | - | - | May 6 | - | - |
| 10 | My Indian Boyfriend | $100,715 | - | $49,986 | 49.6% | - | May 27 | - | Golden Scene |
| 11 | Food Luck | $84,875 | - | - | - | - | May 6 | - | - |
| 12 | Caution, Hazardous Wife: The Movie | $77,239 | - | - | - | - | May 13 | - | 20th Century Fox International |
| 13 | Long Story Short | $8,320 | - | - | - | - | May 27 | - | - |
