LNA may refer to:
Music
- Late Night Alumni, a US house group
Organizations
- Libyan National Army
- Ladies National Association
Places
- Lantana Airport (Florida)
- Lenteng Agung railway station, Jakarta, Indonesia
Products
- Citroën LNA, a Citroën car
Science and technology
- Linolenic acid
- Locked nucleic acid
- Low-noise amplifier
- Launch numerical aperture
Trade
- Licencias no automáticas previas de importación, Argentine non-automatic import license, prior to importation