Kostas or Costas (Greek: Κώστας) is a Greek given name and surname. As a given name it is the hypocorism for Konstantinos (Constantine).

• Costas Andreou, Greek musician
• Kostas Antetokounmpo (born 1997), Greek basketball player
• Costas Azariadis (born 1943), Greek economist
• Kostas Biris (1899–1980), Greek architect
• Costas Georgiou (1951–1976), Greek Cypriot mercenary
• Kostas Lazarides (born 1949), aka Kostas (songwriter), Greek-American country music songwriter
• Costas Mandylor (born 1965), Greek Australian actor
• Kostas Papanikolaou (born 1990), Greek basketball player
• Costas Rigas (born 1944), Greek basketball player
• Costas Simitis (1936–2025), Prime Minister of Greece
• Kostas Hatzichristos (1921–2001), Greek actor
• Kostas Karamanlis (born 1956), former Prime Minister of Greece
• Kostas Koufogiorgos (born 1972), Greek-German cartoonist

• Bob Costas (born 1952), American sportscaster and talk show host
• John P. Costas (engineer) (1923–2008), American engineer
• John P. Costas (business) (born 1957), American businessman, banker and trader
• Jon Costas (born 1957), American politician
• William P. Costas (1927–2013), American businessman and politician

• Costa (disambiguation)
• Costa's hummingbird
• Costal (disambiguation)
• Kostas (film)
• Kostis (disambiguation)

Surname list

This page lists people with the surname Costas.
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Name list

This page or section lists people that share the same given name.
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