The 2021 Hawaii Rainbow Warriors volleyball team represented the University of Hawaiʻi at Mānoa (UH) in the 2021 NCAA Division I & II men's volleyball season.

The Rainbow Warriors, led by 12th-year head coach Charlie Wade, played home games at Stan Sheriff Center on the UH campus in the Honolulu neighborhood of Mānoa.

The Rainbow Warriors, members of the Big West Conference, were picked by Big West coaches to win the conference in its preseason poll.

[1] After a late start was announced, Hawaii went undefeated in conference play.

Defensive Specialist/Libero Middle blockers Outside hitters Opposite hitters Setters TV/Internet Streaming information: ^The Media did not release a Pre-season, Week 13, or Week 14 poll.