Steadfast, constant
Costas is a common Greek diminutive of Konstantinos, which is derived from the Latin name Constantinus. It signifies a person who is firm, enduring, and reliable. While widely used in Greece, it remains a rare and distinctive choice in the United States.
Fewer than 5 boys were named Costas in 2025.
US births per 5-year period, 1990–present (SSA data).
Australian actor known for the Saw film franchise
Prominent Greek-American skyscraper architect
Former Prime Minister of Greece
Greek-French filmmaker known for political thrillers
