1988 West Coast Athletic Conference men's basketball tournament

The 1988 West Coast Athletic Conference men's basketball tournament was held March 5–7 at the Toso Pavilion (now Leavey Center) on the campus of Santa Clara University in Santa Clara, California. This was the second edition of the tournament; it included all eight teams and all seven games were held at the same site.

Regular season champion Loyola Marymount defeated tournament host and #3 seed 104–96 in the final to win their first WCAC (now WCC) tournament championship.

The Lions earned the automatic bid to the 64-team NCAA tournament and were seeded tenth in the West regional. Sent to Salt Lake City, they outscored Wyoming 119–115, but were stopped 123–97 by second-seeded North Carolina.