1990 Arizona Wildcats baseball team

The 1990 Arizona Wildcats baseball team represented the University of Arizona during the 1990 NCAA Division I baseball season. The Wildcats played their home games at Frank Sancet Stadium. The team was coached by Jerry Kindall in his 18th season at Arizona. The Wildcats finished 26-34 overall and placed 5th in the Pacific-10's Southern Division with an 11–19 record.

Previous season
The Wildcats finished the 1989 season with a record of 45-18-1 and 23–7 in conference play, finishing 1st in the "Six-Pac" (Pac-10 Southern) for the 1st time since 1980. Arizona was selected to the postseason and awarded the West I Regional, which was hosted at Sancet Stadium. This was also the first time since 1980 that the Wildcats had hosted postseason play. The team won their 1st 2 games against Eastern Kentucky and Hawaii before losing to Long Beach State. The Wildcats rallied back to beat Loyola Marymount in their next game before being eliminated with a 2nd loss to Long Beach State.