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 Lauda Europe (IATA code LW) Pacific Wings, a former US American airline (then-IATA code LW)
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