Leonidas was the king of Sparta who ruled c. 489–480 BC, and who led the allied Greek forces in a last stand at the Battle of Thermopylae.

Leonidas may also refer to:

• Leonidas I, Greek king of Sparta, ruled c. 489–480 BC
• Leonidas II, Greek king of Sparta, ruled c. 254–235 BC
• Leonidas of Rhodes, ancient Greek Olympic runner
• Leonidas of Tarentum, Greek poet
• Leonidas of Epirus, teacher of Alexander the Great
• Leonidas of Alexandria, Greek poet

• Saint Leonidas (disambiguation), any of several people

Leonidas is a masculine given name mainly in Greece:

• Leônidas da Silva, Brazilian football player
• Leonidas Kestekides, founder of the Belgian chocolate company
• Leonidas Alaoglu, American mathematician of Greek descent
• Leonidas Bott, Australian cricketer
• Leonidas Burwell, Canadian businessman and politician
• Leonidas Ferreira de Paulo Junior, Brazilian football player
• Leonidas M. Godley, American Civil War Union Army soldier; recipient of the Medal of Honor
• Leonidas Hamline, 19th-century American Methodist clergyman and lawyer, and founding benefactor of Hamline University
• Leonidas Kampantais, Greek footballer
• Leonidas Kavakos, Greek violinist
• Leonidas Kouris, Greek politician
• Leonidas Kyrkos, Greek politician
• Leonidas Langakis, Greek shooter
• Leonidas Panagopoulos, Greek footballer
• Leonidas Pantelides, Cypriot diplomat
• Leonidas Paraskevopoulos, Greek military officer and politician
• Leonidas Polk, Confederate general in the American Civil War
• Leonidas L. Polk, American agrarian leader and North Carolina's first Commissioner of Agriculture
• Leonidas Pyrgos, Greek fencer
• Leonidas I. Robinson, American Coast Guard third lieutenant
• Leonidas Sampanis, Greek weightlifter
• Leonidas Shaver, American judge from the Utah Territory
• Leonidas Skoutaris, Greek basketball player
• Leônidas Soares Damasceno, Brazilian football player
• Leonidas Jefferson Storey, American politician from Texas
• Leonidas Tsiklitiras, Greek gymnast
• Leonidas Varouxis, Greek journalist and a politician
• Leonidas Vargas, Colombian drug lord
• Leonidas Veliaroutis, Greek writer
• Leonidas Vokolos, Greek footballer

• Georgina Leonidas, British actress
• Stephanie Leonidas, British actress

• Nate Ebner (nicknamed Leonidas), American football player in the National Football League

• Rafael Leónidas Trujillo Dominican President

• Leonidas (Legends of Chima), a character in Legends of Chima
• Leonidas Witherall, fictional character created by Phoebe Atwood Taylor

In the United States:

• Leonidas, New Orleans, Louisiana
• Leonidas, Minnesota
• Leonidas Township, Michigan

• Leonidas (ship), labour ship that brought the first indentured servants from India to Fiji in 1879
• USS Leonidas, either of two ships in the US Navy
• HMS Leonidas, either of two ships in the Royal Navy

• ELBO Leonidas-2, Greek-built armored personnel carrier
• Epirus Leonidas, a high-power microwave (HPM) weapon system
• Leonidas (sculpture), a 5th-century BC sculpture
• Leonidas at Thermopylae, a 19th-century oil painting by Jacques-Louis David
• Leonidas, an 1894 secular oratorio by Max Bruch.
• Leonidas Squadron (Leonidas Staffel), experimental Luftwaffe unit of suicide pilots that tested crewed versions of the V-1 flying bomb
• Leonidas, the codename for Fedora 11
• Leonidas (chocolate maker), a chocolate producer
• RKSV Leonidas, a Dutch amateur football club from Rotterdam

• Leonid (disambiguation)
• Leonides (disambiguation)
• Leonida (disambiguation)

This disambiguation page lists articles associated with the title Leonidas.
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