The 1988–89 Biathlon World Cup was a multi-race tournament over a season of biathlon, organised by the UIPMB (Union Internationale de Pentathlon Moderne et Biathlon). The season started on 15 December 1988 in Albertville, France, and ended on 19 March 1989 in Steinkjer, Norway. It was the twelfth season of the Biathlon World Cup.
Below is the World Cup calendar for the 1988–89 season.
Following notable biathletes retired after the 1988–89 season: