FIS (International Ski Federation) World Championships may refer to:
FIS Alpine World Ski Championships, biennial international alpine skiing competition FIS Alpine Junior World Ski Championships FIS Freestyle World Ski Championships, biennial international freestyle skiing competition FIS Freestyle Junior World Ski Championships FIS Nordic World Ski Championships, biennial international Nordic combined competition FIS Nordic Junior World Ski Championships FIS Ski Flying World Championships, biennial international ski flying competition FIS Snowboard World Championships, biennial international snowboarding competition World Para Alpine Skiing Championships, biennial international paralympic alpine skiing competition FIS Speed World Ski Championships, biennial international speed skiing competition FIS Telemark World Championships, biennial international Telemark racing competition FIS Grass Ski World Championships, biennial international grass skiing competition