Lya is a variant of the name Léa, which is of French origin. The name Léa itself is derived from the Hebrew name Leah, meaning 'weary' or 'delicate'. Lya, as a given name, is used in various cultures and languages, often as a feminine name. It may also refer to other entities such as an airport in Luoyang, China, a fictional character in DC Comics, and the Lyman-alpha line in spectroscopy.