The following is a listing of people who have formerly competing for Union Pro Wrestling.
Alumni
- 726
- A.YAZAWA
- BENTEN
- Cao Zhang
- DT-YUTA
- Gaylon Summers
- Goro Tsurumi
- Ivan Markov
- Kazuhiko Ogasawara
- Masahiko Takasugi
- Mecha Mummy
- Mecha Mummy Lite
- Mitsuhiro Yoshida
- Miyako
- Munenori Sawa
- Poison Sawada
- Princess Makoto
- Ryan Genesis
- Ryu Gouma
- Ryuma Go
- Shinichiro Tominaga
- Sister Akiko
- Takao Omori
- Takeshi Minamino
- Taichi Kazato
- Vladimir Nagai