List of Japanese films of 2018
A list of Japanese films that were first released in 2018.
Highest-grossing films
The following is a list of the top 10 highest-grossing Japanese films released at the Japanese box office in 2018.| Rank | Title | Gross |
| 1 | Code Blue | |
| 2 | Detective Conan: Zero the Enforcer | |
| 3 | Doraemon the Movie: Nobita's Treasure Island | |
| 4 | Shoplifters | |
| 5 | Gintama 2 | |
| 6 | Destiny: The Tale of Kamakura | |
| 7 | One Cut of the Dead | |
| 8 | Pokémon the Movie: The Power of Us | |
| 9 | Killing for the Prosecution | |
| 10 | Mirai |