NJPW Dominion 6.6 in Osaka-jō Hall was a professional wrestling event promoted by New Japan Pro-Wrestling (NJPW) that took place on June 7, 2021, at Osaka-jō Hall in Osaka, Japan, headlined by Kazuchika Okada vs. Shingo Takagi for the vacant IWGP World Heavyweight Championship.
Shin Takagi
Kazuchika Okada
Kota Ibushi
Jeffrey Cobb
Kyosuke Mikami
Yohei Komatsu
Seiya Sanada
Tetsuya Naito
Tetsuya Shimizu
Luke James Uggles Eatwell
Maki Taichiro
Taiji Ishimori
Takaaki Watanabe
Yujiro Takahashi
Steven Owens
Riley Vigier
Sho Tanaka
Hirooki Goto
Tomohiro Ishii
Nobuo Yoshihashi
Hiroshi Tanahashi
Tatsuya Hayama
Kevin Foote
Chris Charlton
John Raymond Rivera