Leonidas

“Lion's son” — Greek origin

Boy's name · #510 in the US (2025) · 2020s

Leonidas is near its high-water mark: it reached #421 in 2022 and still ranked #510 in 2025. About 10,000 boys have carried it since 1880. Leonidas rose sharply in 2007–2008, following 300 (2007), in which Gerard Butler portrays the Spartan king Leonidas.

Around the world: about 1 in 2,500 boys in Austria (2025) · about 1 in 3,000 boys in Switzerland (2024) · about 1 in 3,100 boys in Sweden (2025).

Appears in 2020-2025 birth records of 39 states. See the full state-by-state map on this page.

Famous Leonidases

Leonidas I — King of Sparta from c. 489 BC to 480 BC
Leônidas — Brazilian footballer and commentator
Leonidas II — King of Sparta
Leonidas Pyrgos — Greek fencer
Leonidas Stergiou — Swiss association football player

In stories & tradition

Leonidas — Reaching extremes

What Leonidases become

Among 303 notable people named Leonidas:

Military figures appear 2.91× more often than among typical names — e.g. Leonidas Paraskevopoulos, Greek politician and general.

Similar names: Apollo · Leonel · Onyx · Atreus · Achilles · Genesis

Browse more boy names — popularity, trends and eras for 5,700+ American names, free.

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