World Championships 1981
As 1981 World Championship or World Cup 1981 is referred to the following world championships in 1981 have taken place:
- 1981 World Bandy Championship
- Biathlon World Championships 1981
- Bobsleigh World Championship 1981
- World Cross Country Championships 1981
- World Curling Championships
- Cyclocross World Championships 1981
- Three-cushion world championships
- Ice hockey world championships
- World Figure Skating Championships 1981
- 1981 World Speed Skating Sprint Championship
- Fencing World Championships 1981
- Field hockey world championships
- 1981 Formula 1 World Championship
- Junior World Cup 1981
- World Weightlifting Championships 1981
- World Judo Championships 1981
- Canoe Racing World Championships 1981
- Canoe Slalom World Championships 1981
- World Championships in Modern Pentathlon 1981
- Motorcycle World Championship 1981
- Orienteering World Championships 1981
- 1981 World Rally Championship
- Luge World Championships 1981
- World Championships in Rhythmic Gymnastics 1981
- World Wrestling Championships 1981
- World Rowing Championships 1981
- World Chess Championships
- Ski flying world championship 1981
- World Snooker Championship 1981
- World Squash Championships
- Table tennis world championship 1981
- Gymnastics World Championships 1981
- UCI Track World Championships 1981
- UCI Road World Championships 1981