From Greek 'leon' meaning lion; borne by the father of Spartan king Leonidas.
Leonides is a Greek name meaning "son of the lion" or "lion-descendant," derived from leon (λέων, lion) and the suffix -ides, which in Greek denotes lineage or descent. It is a close cognate of Leonidas, the name made immortal by the Spartan king Leonidas I, who led the famous last stand of the Three Hundred at the Battle of Thermopylae in 480 BCE against the Persian forces of Xerxes. While Leonidas is the more widely known form, Leonides has its own distinguished ancient record as a Greek given name carried by philosophers, mathematicians, and early Christian martyrs.
Saint Leonides of Alexandria, the father of the great theologian Origen, was martyred around 202 CE and is venerated in the early Christian tradition. In the mathematical world, Leonides was a Greek mathematician of the second century BCE associated with the study of geometric constructions. The name also appears in Roman usage, carried into Latin from the Greek-speaking eastern provinces of the empire.
Its presence across philosophy, martyrdom, and mathematics gives it a remarkable range of cultural resonance. In the modern era, Leonides is rare in English-speaking countries but found in Greece, Cyprus, and Latin America, particularly in countries with strong classical or Catholic naming traditions. The name carries unmistakable grandeur — the lion is the universal symbol of courage and royalty, and the suffix -ides gives the name a classical architectural weight. For parents drawn to names that feel genuinely ancient and uncompromised by trend, Leonides offers both fierce meaning and scholarly distinction.