2003 Continental Championships

• 2002–03 AFC Champions League
• 2002–03 UEFA Champions League
• 2002–03 UEFA Cup
• 2002–03 UEFA Women's Cup
• 2003 All-Africa Games
• 2003 Asian Athletics Championships
• 2003 Asian Winter Games
• 2003 CONCACAF Champions' Cup
• 2003 CONCACAF Gold Cup
• 2003 Copa Libertadores
• 2003 European Figure Skating Championships
• 2003 OFC Women's Championship
• 2003 Pan American Games
• 2003 UEFA European Under-17 Championship
• 2003 World Championships (disambiguation)
• 2003 World Cup (disambiguation)
• 2003 World Junior Championships (disambiguation)
• 2003–04 CEV Champions League
• Continental championship (disambiguation)
• EuroBasket 2003