Japanese Box Office For May 2019
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Pokémon: Detective Pikachu | $27,000,000 | - | $4,112,878 | 15.2% | - | May 3 | - | Warner Bros. |
| 2 | The Confidence Man JP | $25,958,189 | - | $3,503,180 | 13.5% | - | May 17 | - | Toho |
| 3 | The Confidence Man JP: The Movie | $25,958,189 | - | $3,503,180 | 13.5% | - | May 17 | - | - |
| 4 | Godzilla: King of the Monsters | $25,400,000 | - | $6,251,316 | 24.6% | - | May 31 | - | Warner Bros. |
| 5 | Aircraft Carrier Ibuki | $8,611,013 | - | $2,252,785 | 26.2% | - | May 24 | - | Kino Films |
| 6 | Promare | $6,780,175 | - | $733,910 | 10.8% | - | May 24 | - | Toho |
| 7 | Sadako | $5,199,720 | - | $1,499,211 | 28.8% | - | May 24 | - | Kadokawa |
| 8 | Parallel World Love Story | $3,495,997 | - | $1,316,576 | 37.7% | - | May 31 | - | Shochiku |
| 9 | Kakegurui | $2,635,709 | - | - | - | - | May 3 | - | Gaga |
| 10 | According to Our Butler | $1,907,988 | - | $837,634 | 43.9% | - | May 17 | - | Toei Company |
| 11 | Iwane: Sword of Serenity | $1,088,355 | - | $772,678 | 71% | - | May 17 | - | Shochiku |
| 12 | The Curse of La Llorona | $998,000 | - | $231,693 | 23.2% | - | May 10 | - | Warner Bros. |
| 13 | Chia danshi!! | $425,733 | - | $285,895 | 67.2% | - | May 10 | - | Bandai Visual Company |
| 14 | Leaving the Scene | $373,666 | - | $281,331 | 75.3% | - | May 10 | - | Toei Company |
| 15 | Kabaneri of the Iron Fortress: The Battle of Unato | $345,066 | - | $239,073 | 69.3% | - | May 10 | - | Shochiku |
| 16 | Don't Worry, He Won't Get Far on Foot | $255,160 | - | - | - | - | May 3 | - | Toho-Towa |
