The 1998–99 IHL season was the 54th season of the International Hockey League, a North American minor professional league. 16 teams participated in the regular season, and the Houston Aeros won the Turner Cup.
Indianapolis wins best-of-three series 2-1.
Michigan wins best-of-three series 2-0.
Manitoba wins best-of-three series 2-0.
Long Beach wins best-of-three series 2-1.