The Diamond Head Classic is a three-day invitational college basketball tournament held at the Stan Sheriff Center in Honolulu, Hawaii on the campus of the University of Hawaiʻi at Mānoa.

Each team plays three games, winners facing winners and losers facing losers.

The Big West Conference serves as the host.

[1] The inaugural tournament was won by USC in 2009.

The most recent champions are the Nebraska Cornhuskers.