2008 World Championships
- 2008 BDO World Darts Championship
- 2008 Continental Championships (disambiguation)
- 2008 Ford World Men's Curling Championship
- 2008 IAAF World Cross Country Championships
- 2008 IAAF World Half Marathon Championships
- 2008 IAAF World Indoor Championships
- 2008 Men's World Ice Hockey Championships
- 2008 PDC World Darts Championship
- 2008 Women's World Ice Hockey Championships
- 2008 World Allround Speed Skating Championships
- 2008 World Cup (disambiguation)
- 2008 World Figure Skating Championships
- 2008 World Junior Championships (disambiguation)
- 2008 World Single Distance Speed Skating Championships
- 2008 World Snooker Championship
- 2008 World Sprint Speed Skating Championships
- 2008 World Women's Curling Championship
- World Chess Championship 2008