Commentator may refer to:
- Pundit (expert) or political commentator
- Sports commentator
- Color commentator, a sports commentator who provides analysis and background information
- Postglossator or commentator, a member of a European legal school which arose in France in the fourteenth century
- In medieval scholastic philosophy, "The Commentator" refers to Averroes, a 12th century Muslim philosopher
- Commentator (horse), American Thoroughbred racehorse