Leyli is a Persian and Arabic form of Layla, meaning "night," famous from the romance of Layla and Majnun.
Leyli is the Persian and Azerbaijani rendering of Layla, one of the most storied names in world literature. The root is Arabic layl (ليل), meaning "night" — and specifically the intoxicating, mysterious quality of darkness, dark eyes, and dark hair celebrated across Arabic poetry. But it is the Persian epic tradition that transformed this name into something immortal: the 12th-century poet Nizami Ganjavi's Leyli va Majnun (ليلى و مجنون) told the tale of the star-crossed lovers Leyli and Qays, who loved each other so completely and impossibly that Qays lost his reason and became known as Majnun — "the mad one."
The Leyli and Majnun story traveled across the Islamic world with astonishing speed, inspiring adaptations in Turkish, Urdu, Hindi, Uzbek, and dozens of other literary traditions. It became the Islamic world's Romeo and Juliet — an archetype of transcendent, thwarted love — and Leyli herself became the paradigmatic beloved: radiant, sorrowful, and constrained by forces beyond her control. The Azerbaijani composer Uzeyir Hajibeyov transformed the story into the first opera composed in the Muslim world in 1908, cementing Leyli's place in the cultural identity of the Caucasus.
The spelling Leyli signals specifically Persian and Azerbaijani heritage, distinguishing it from the Arabic Layla or the anglicized Leila, while sounding equally beautiful in any language. In contemporary naming, it appeals to parents who want a name of deep poetic resonance — not just beautiful in sound but embedded in one of humanity's great love stories. To name a child Leyli is to place her inside a tradition of longing, beauty, and the kind of love that outlasts reason.