LW may refer to:
Arts and entertainment
- Life's Work, a 1990s American situation comedy
- Lethal Weapon, a 1987 film
- Love Wrecked, a 2005 romantic comedy film
- L.W. (album), the seventeenth studio album by King Gizzard & the Lizard Wizard
Businesses and organizations
- Lam Woo, Sheng Kung Hui Lam Woo Memorial Secondary School
- Latham & Watkins, a lawfirm and owner of the Domain LW.com
- Luftwaffe, the German air force
- LW, IATA code of Lauda Europe
- LW, then-IATA code of Pacific Wings, a former US American airline
Science
- Lawrencium, a chemical element with former symbol Lw (now Lr)
- Longwave, a frequency band in radio communications
- Sound power level, Lw
Software
- LightWave, a 3D rendering software package
- LimeWire, a discontinued file sharing program
Other uses
- Left wing, a forward position in ice hockey
- Left winger, a position in association football
- Low water, aka low tide, in nautical use
- Lutheran Worship, a hymnal of The Lutheran Church–Missouri Synod
- LessWrong, an online discussion forum.
- Lakeshore West line (LW) of the GO Transit rail network in Ontario, Canada