The 1987 Pacific-10 Conference men's basketball tournament was played March 5–8 at Pauley Pavilion in Los Angeles, California, on the UCLA campus. The champion of the tournament was host UCLA, which received the Pac-10's automatic bid to the NCAA tournament. The Most Outstanding Player was Reggie Miller of UCLA. This was the inaugural Pac-10 tournament. The format ran for four years, through 1990.

Seeds

All ten schools participated; teams were seeded by conference record, with a tiebreaker system used to seed teams with identical conference records.

Bracket

There were no overtime games

All tournament team

Aftermath