LQ may mean:
- Lover's Quarrel slang abbreviation
- Limited Quantity Limited hazardous goods
- Laser Quest
- Last quarter, a phase of the Moon
- Palmyra Atoll: FIPS PUB 10-4 territory code
- LinuxQuestions.org
- Lebanese Air Transport IATA airline designator
- La Quinta
- Location quotient
- Letter quality
- Latin Quarter
- LQ Nightclub New York City nightclub
- Living Quarters e.g. the Living Quarters on board a ship or on board an oil rig