From Leander, Greek for lion-man, with a French-styled spelling.
Leandre is the French and Catalan form of Leander, a name of ancient Greek construction: 'leōn' (lion) combined with 'anēr' or 'andros' (man), yielding the resonant meaning of lion-man or one who is strong as a lion. The name belongs to classical antiquity in both myth and history. In Greek mythology, Leander was the young man of Abydos who swam the Hellespont each night to meet his beloved Hero, a priestess of Aphrodite — guided across the dark water by the lamp she lit for him until a storm extinguished it and he drowned.
Christopher Marlowe and later Lord Byron (who swam the strait himself in tribute) immortalized the story, making Leander one of antiquity's great romantic heroes. Historically, Saint Leander of Seville was a sixth-century bishop and theologian whose intellectual work helped consolidate Visigothic Christianity on the Iberian Peninsula — a figure of considerable importance in the formation of medieval Spanish culture. His influence ensured that variants of the name remained in use throughout the Romance world long after the classical associations might have faded.
The French form Leandre carries a particular elegance — that final 'e' softens the name just enough to give it a courtly, literary texture, evoking the salons and theaters of the Ancien Régime. In Molière's comedies, Léandre appears as the name of the young romantic lead, reinforcing the name's theatrical and amorous associations across French literary tradition. Today, Leandre is cherished by parents who want a name of genuine classical weight that nonetheless sounds fresh and unhurried — a lion's name worn lightly.