| Winner: | Ariana Miyamoto |
| Represented: | (Nagasaki) |
| Date: | March 12, 2015 |
| Entrants: | 47 |
| Placements: | 16 |
| Venue: | Hotel Chinzanso Tokyo, Bunkyō, Tokyo, Japan |
| Before: | 2014 |
| Next: | 2016 |
Miss Universe Japan 2015 (ja|2015 ミス・ユニバース・ジャパン) was the Miss Universe Japan pageant, held at the Hotel Chinzanso Tokyo in Bunkyō-ku, Tokyo, Japan, on March 12, 2015.
Keiko Tsuji of Nagasaki crowned Ariana Miyamoto of Nagasaki as her successor at the end of the event.[1]
| Placement | Contestant | |
|---|---|---|
| Miss Universe Japan 2015 | ||
| 1st Runner-Up |
| |
| 2nd Runner-Up |
| |
| 3rd Runner-Up |
| |
| 4th Runner-Up |
| |
| Top 10 |
| |
| Top 16 |
|
47 contestants participated:[3]
| Prefecture | Contestant | |
|---|---|---|
| Mao Kaneko | ||
| Shiori Nara | ||
| Manami Takano | ||
| Hikaru Tsuchiya | ||
| Akane Takase | ||
| Yuuka Hoshino | ||
| Wakaba Suda | ||
| Rikako Maebayashi | ||
| Saya Honno | ||
| Ayaka Ishikubo | ||
| Remi Nagamoto | ||
| Risako Oomura | ||
| Emiko Kanou | ||
| Yoko Nishino | ||
| Ai Higashide | ||
| Sakiko Tomita | ||
| Minori Miyaguchi | ||
| Yu Takeyama | ||
| Ayaka Yamaoka | ||
| Reiko Watanabe | ||
| Airi Yukawa | ||
| Mayuko Fujiwara | ||
| Yuki Kusano | ||
| Risa Shoji | ||
| Nami Shimada | ||
| Saki Ichinose | ||
| Ariana Miyamoto | ||
| Naoko Fukunaga | ||
| Marie Izumi | ||
| Rina Inoko | ||
| Chika Takeda | ||
| Akari Oda | ||
| Yuka Morikawa | ||
| Yoshiko Okuzono | ||
| Risa Shimogawara | ||
| Miyu Tanaka | ||
| Yukari Yumen | ||
| Serina Shibayama | ||
| Erika Koyama | ||
| Shizuka Komori | ||
| Tamao Tada | ||
| Rika Watanabe | ||
| Rina Hirata | ||
| Yuki Morita | ||
| Chiemi Yamazaki | ||
| Suzuyo Okamoto | ||
| Eri Natori |