Corinthian or Corinthians may refer to:

• Several Pauline epistles, books of the New Testament of the Bible:
  • First Epistle to the Corinthians
  • Second Epistle to the Corinthians
  • Third Epistle to the Corinthians (Orthodox)
• A demonym relating to the ancient city-state of 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 (town), 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 (New York), 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

• amateur sport; in particular
  • Victorian ideal of the gentleman amateur
  • Corinthian, amateur yachter
• Corinthian Yacht Club (disambiguation), several yacht clubs with this name
• Sport Club Corinthians Paulista, Brazilian professional football club
• Corinthian F.C., a former English amateur football club
• Corinthian-Casuals F.C., English football club formed by Corinthian F.C. and Casuals F.C.
• Corinthian F.C. (Kent), another former English football club, which attempted to emulate the ideals of the Corinthians
• Cardiff Corinthians F.C., Welsh football club
• Corinthians USA, a professional football club based in Fontana, California
• Sport Club Corinthians Alagoano, a professional football club in Brazil named after the other Brazilian club
• Atlético Clube Coríntians, a professional football club in Brazil
• Sport Club Corinthians Paranaense, a former professional football club in Brazil, dissolved in 2017
• Esporte Clube Corinthians, a professional football club in Brazil
• Esporte Clube Corinthians de Bataguassu, a professional football club in Brazil
• Seawanhaka Corinthian Yacht Club, a yacht club located in Oyster Bay, New York.
• Corinthians A.F.C. (Isle of Man), a Manx football club
• Galway Corinthians RFC, an Irish rugby club