The 1991 Arizona Wildcats baseball team represented the University of Arizona during the 1991 NCAA Division I baseball season. The Wildcats played their home games at Frank Sancet Stadium. The team was coached by Jerry Kindall in his 19th season at Arizona. The Wildcats finished 27-32 overall and placed 6th in the Pacific-10's Southern Division with an 10–20 record. Arizona missed the postseason for a 2nd straight season for the first time since missing 4 straight postseasons from 1981 to 1984.
Previous season
The Wildcats finished the 1990 season with a record of 26-34 and 11–19 in conference play, finishing 5th in the "Six-Pac" (Pac-10 Southern). Arizona would miss the postseason and would finish with their first losing record since 1984.