The second night of Wrestling Dontaku 2021 was a professional wrestling pay-per-view (PPV) event promoted by New Japan Pro Wrestling (NJPW) that took place on May 4, 2021, at the Fukuoka Convention Center in Fukuoka, Japan. The show was headlined by Will Ospreay (c) vs. Shingo Takagi for the IWGP World Heavyweight Championship.