Ly

LY or ly may refer to:

• Libya (ISO 3166-1 country code LY)
• Lý dynasty, a Vietnamese dynasty
• Labour Youth of Ireland
• Legislative Yuan, the unicameral legislature of the Republic of China (Taiwan)

• .ly, the Top-level domain for Libya
• .ly, the default filetype extension of the GNU LilyPond sheet music format
• ly, Light-year, the distance that light travels in one year in a vacuum
• Ly, Langley (unit), a unit of energy distribution over a given area

• Lý (Vietnamese surname), a Vietnamese surname
• Ly the Fairy, a character from Rayman 2: The Great Escape
• -ly, an adjectival and adverbial suffix in English
• Hungarian ly, or elipszilon, a digraph in the Hungarian alphabet
• El Al (IATA airline designator LY)
• LY Corporation - Japanese company former Z Holdings

• Light year (disambiguation)
• YL (disambiguation)