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Leonidas

“Lion's son” — Greek origin

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

Leonidas has appeared in US records since 1880 — best rank #421 (2022) · 10,281 babies named Leonidas all-time · 1 in 2,900 boys born in 2025.

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
• Leonidas II — King of Sparta
• Leonidas Pyrgos — Greek fencer
• Leonidas Stergiou — Swiss association football player
• Leonidas Kavakos — Greek violinist and conductor

In stories & tradition

• Leonidas — Reaching extremes

What Leonidases become

Among 258 notable people named Leonidas:

Military figures appear 3.01× more often than among typical names — e.g. Leonidas Paraskevopoulos, Greek politician and general.

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

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