Leonidas, Emperor of Man - a fictional character in the science fiction novel The Mote in God's Eye.

Leonidas is Leonidas I, king of Sparta, ruled c. 489–480 BC., leader at the battle of Thermopylae Leonidas may also refer to:

Leonidas Polk, Confederate general in the American Civil War

Leônidas da Silva, Brazilian football player

Leonidas (ship), a labour ship that brought the first indentured servants from India to Fiji in 1879

Leonidas Kavakos, Greek virtuoso violinist

Leonidas (armoured vehicle) a Greek-built Armored personnel carrier

Leonidas (chocolate maker), a manufacturer of Belgian chocolates

Saint Leonidas

Leonidas Daskalidès, founder of the Belgian company

Stephanie Leonidas a British actress

Leonidas II, king of Sparta, ruled c. 254–235 BC

Leonidas of Tarentum, Greek poet

Leonid (disambiguation)

Leonidas Squadron (Leonidas Staffel) was an experimental Luftwaffe unit of suicide pilots that tested manned versions of the V-1 flying bomb.