The 2023 UC San Diego Tritons men's volleyball team represented the University of California San Diego in the 2023 NCAA Division I & II men's volleyball season.

The Tritons, led by first year head coach Brad Rostratter,[2] played their home games at LionTree Arena.

The Tritons competed as members of the Big West Conference and were picked to finish sixth in the Big West preseason poll.

UC San Diego was picked to finish last in the Big West Conference standings.

[4] Defensive Specialist/Libero Middle Blockers Outside Hitters Opposite Hitters Setters TV/Internet Streaming/Radio information: ^The Media did not release a Pre-season or Week 1 poll.