Costas is a male given name of Greek origin, meaning 'steady' or 'constant'. It is derived from the Greek word 'kostis', which is itself an abbreviation of the name Konstantin. In Greece, Costas is often used as a diminutive form of Konstantinos. The name has been popular in Greece for centuries and is still widely used today. Outside of Greece, Costas may be less common but can be found among Greek communities around the world. It is also occasionally used as a surname.
The name Costas has seen fluctuations in popularity over the past century, with peaks occurring around the mid-20th century and again in the late 1980s to early 1990s. The highest number of births in a single year was 9, which happened on three occasions: in 1922, 1970, and 1992. However, the most consistent years for the name Costas were between 1989 and 2023, with an average of 6 births per year during this period. Overall, there have been a total of 279 births named Costas since 1916.