Japan squad – 2023 World Bowls Championships
| Men | Women | |
| Singles | Kenta Hasebe Treacher | Keiko Kurohara |
| Pairs | Takashi Ohira & Tetsuya Hirouchi | Sayuri Abiru & Keiko Kurohara |
| Triples | Hisaharu Sato, Kenichi Emura & Kenta Hasebe Treacher | Masako Sato, Midori Matsuoka & Hiroko Emura |
| Fours | Takashi Ohira, Tetsuya Hirouchi, Hisaharu Sato & Kenichi Emura | Masako Sato, Sayuri Abiru, Midori Matsuoka & Hiroko Emura |
| Para pairs | Mitsuteru Mizoguchi & Hisao Kojima | – |
| VI Mixed pairs | – | – |
Coaching & managing staff: Jonathan Bosisto, Helen Bosisto, Graham Dorren & Hirokazu Mori