The 2004 NCAA men's volleyball tournament was the 35th annual tournament to determine the national champion of NCAA men's collegiate indoor volleyball.

The single elimination tournament was played at the Stan Sheriff Center in Honolulu, Hawaiʻi during May 2004.

[1] BYU defeated Long Beach State in the final match, 3–2 (15–30, 30–18, 20–30, 32–30, 19–17), to win their third national title.

[2] BYU's Carlos Moreno was named the tournament's Most Outstanding Player.

Until the creation of the NCAA Men's Division III Volleyball Championship in 2012, there was only a single national championship for men's volleyball.