Disqualification may refer to:
- Judicial disqualification
- Disqualification as a company director in the UK, under the Company Directors Disqualification Act 1986
- Disqualification in professional wrestling
- Disqualification in boxing
- Disqualification in basketball, when a player has picked up too many personal fouls
- Disqualifications in tennis
- Ejection (sports), when a player is ejected (disqualified); for example, in basketball, if he is assessed two technical fouls, one type-2 flagrant foul, or two type-1 flagrant fouls.