Corinthian or Corinthians may refer to:
- Several Pauline epistles, books of the New Testament of the Bible:
- A demonym relating to the city-state of Ancient Corinth
- A demonym relating to the modern-day port of Corinth or the regional unit of Corinthia in Greece
- Corinthian order, a classical order of ancient Greek and Roman architecture
- Residents or people from the town of Corinth, New York
- The League of Corinth, a federation of ancient Greek states
- Corinthian Colleges, a post secondary education company in North America currently under criminal investigation in the US.
- Corinthian (comics), a character in The Sandman comics
- The Corinthian (novel), novel by Georgette Heyer
- The Corinthian (Manhattan), a skyscraper in New York City
- The Corinthian helmet, a style of helmet worn by hoplites in classical Greece
- Corinthian leather, a marketing term used by Chrysler
- Corinthian (horse), American racehorse, a 2007 Breeders' Cup winner
- Corinthian bagatelle, occasionally called Corinthians
- Orient Express Corinthian (or OE Corinthian) a SolidSail sailing cruise ship built by Chantiers de l'Atlantique in 2026
