1989 Arizona Wildcats baseball team

The 1989 Arizona Wildcats baseball team represented the University of Arizona during the 1989 NCAA Division I baseball season. The Wildcats played their home games at Frank Sancet Stadium. The team was coached by Jerry Kindall in his 17th season at Arizona. The Wildcats finished 45-18-1 overall and placed 1st in the Pacific-10's Southern Division with an 23–7 record. This was the program's 1st regular season conference championship since 1980, and their 1st ever outright conference championship since joining the Pacific-10 Conference. After a single year absence, Arizona returned to the postseason and was selected to host the West I Regional at Sancet Stadium. The Wildcats won their 1st pair of games against Eastern Kentucky and Hawaii before falling to Long Beach State in their 3rd game. The team bounced back to avoid elimination against Loyola Marymount but ultimately lost the next game to Long Beach State to end their season. The team was also noteworthy for featuring 6 future Major League Baseball players.

Previous season
The Wildcats finished the 1988 season with a record of 33-26 and 10–20 in conference play, finishing 6th in the "Six-Pac" (Pac-10 Southern). Arizona would miss the postseason for the 1st time since 1984.