The 2021 BYU Cougars men's volleyball team represented Brigham Young University in the 2021 NCAA Division I & II men's volleyball season.

The Cougars, led by sixth year head coach Shawn Olmstead, play their home games at Smith Fieldhouse.

[3] The Cougars are members of the MPSF and were picked to win the MPSF in the preseason poll.

[4] After finishing last season ranked #1[5] the Cougars enter the 2021 season with the #1 ranking.

[6] 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.