The 51st Anniversary Show was a professional wrestling event promoted by New Japan Pro Wrestling (NJPW) that took place on March 6, 2023, at the Ota City General Gymnasium in Tokyo, Japan, and was headlined by an IWGP Tag Team Championship match between Bishamon (Hirooki Goto & YOSHI-HASHI) (c) and Hiroshi Tanahashi & Kazuchika Okada. The show also included the second night of the New Japan Cup 2023, featuring two first-round matches.
Hirooki Goto
Nobuo Yoshihashi
Hiroshi Tanahashi
Kazuchika Okada
Tomohiro Ishii
David Stephen Finlay III
Yujiro Takahashi
Shota Umino
Lionel Gerard Green
Yōhei Komatsu
Tetsuya Shimizu
Hiromu Takahashi
Seiya Sanada
Shin Takagi
Tetsuya Naito
Aaron Henry
Tomoyuki Oka
Jeffrey Cobb
Shigeki Sato
Takaaki Watanabe
Sho Tanaka
Kyosuke Mikami
Minoru Suzuki
Ren Narita
Satoshi Kojima
Alipate Aloisio Leone
Toru Yano
Kyle Fletcher
Davis Passfield
William Ospreay
Riley Vigier
Kenta Kobayashi
Kosei Fujita
Luke James Uggles Eatwell
Shoji Akiyoshi
Keiji Takayama
Kevin Foote
Chris Charlton