2021 New Japan Pro-Wrestling event
Dominion 6.6 in Osaka-jo Hall was a professional wrestling event promoted by New Japan Pro-Wrestling (NJPW). The event took place on June 7, 2021, in Osaka, Osaka, at the Osaka-jō Hall and is the thirteen event under the Dominion name and seventh in a row to take place at the Osaka-jō Hall.
The event was originally planned to take place on June 6, but was postponed to the following day due to the state of emergency in Japan because of the COVID-19 pandemic, although the name of the event was not changed. In the main event, Shingo Takagi defeated Kazuchika Okada to win the vacant IWGP World Heavyweight Championship. In other prominent matches, Kota Ibushi defeated Jeff Cobb, and El Desperado defeated Yoh to retain the IWGP Junior Heavyweight Championship.