Political
- A queen regnant is a female monarch.
- A queen consort is the wife of a king. Usually the husband of a queen regnant is not known as king. In the United Kingdom, the term prince consort has been used.
- A queen dowager is a woman who was queen consort but whose husband has died or abdicated, someone else having become monarch.
- A queen mother is a queen dowager whose child, having succeeded his or her father, is now the monarch.
- The queen is the most powerful piece in the game of chess.
- The queen is a card in a deck of playing cards or tarot cards.
- Queening is an act in the game of checkers, draughts, or chess.
- Queen is a British rock band, famous for their song "Bohemian Rhapsody".
- A queen is the only female insect in a hive that is fertile and egg laying; for example, a queen bee or ant.
- The title queen is used in several epithets of the Virgin Mary, including "Queen of the World," "Queen of Heaven," and "Queen of Angels."
- The title queen is and was applied to several goddesses.
- A queen is a female cat, usually one with a litter of kittens.
- A drag queen is a type of entertainer.
- "Queen" is a slang term for a gay man.