A list of films released in Japan in 1984 (see 1984 in film).
| Title | Director | Cast | Genre | Notes |
|---|---|---|---|---|
| 1984 | ||||
| Masayuki Suo | ||||
| Bioman Movie | ||||
| Farewell to the Ark | Shūji Terayama | Entered into the 1985 Cannes Film Festival | ||
| The Funeral | Drama | Japan Academy Prize for Best Film | ||
| Kinnikuman the Movie: Great Riot! Justice Superman | Anime for Children | |||
| Kinnikuman the Movie: Stolen Championship Belt | ||||
| Kōichirō Uno's Wet and Swinging | Natsuko Yamamoto Arisa Hayashi | Kaneko's directorial debut, winner of Best New Director, Yokohama Film Festival | ||
| MacArthur's Children | Ken Watanabe Masako Natsume | Drama | ||
| Marriage Counselor Tora-san | Yoji Yamada | Kiyoshi Atsumi | 33rd in the Otoko wa Tsurai yo series | |
| Mermaid Legend | ||||
| The Miracle of Joe Petrel | ||||
| Nausicaä of the Valley of the Wind | ||||
| The Return of Godzilla | Kaiju | First Heisei era Godzilla film. | ||
| Anime | ||||
| Tora-san's Forbidden Love | Yoji Yamada | Kiyoshi Atsumi | 34th in the Otoko wa Tsurai yo series, entered into Moscow | |
| Tragedy of W | Shinichiro Sawai | Suspense | ||
| Ultraman Story | Kōichi Takano | Kaiju | ||
| Kōichi Takano | Hikaru Urano | Kaiju | ||
| Urusei Yatsura: Beautiful Dreamer | ||||