The 1998 Colonial Athletic Association Baseball Tournament was held at Grainger Stadium in Kinston, North Carolina from May 12 through May 15. The event determined the champion of the Colonial Athletic Association for the 1998 season. Second-seeded Richmond won the tournament for the third time, and second consecutive year, and earned the CAA's automatic bid to the 1998 NCAA Division I Baseball Tournament. Entering the event, East Carolina had won the most championships, with five. Old Dominion had won three, while George Mason and Richmond had each won twice.