L7

L7 or L-7 may refer to:

Music

 * L7 (band), a grunge/metal band from Los Angeles, California
 * L7 (album), a 1988 album by the band
 * L-Seven, a post-punk band from Detroit, Michigan

Mathematics and technology

 * ISO/IEC 8859-13 (Latin-7), an 8-bit character encoding
 * L7, the application layer in the OSI model of computer communications
 * A layer 7 switch or load balancer
 * The Lp space for p=7 in mathematics

Vehicles

 * D-Lieferwagen L-7, a 1927–1930 German three-wheel truck
 * IM L7, a 2022–present Chinese full-size luxury electric sedan
 * Landsat 7, an Earth observation satellite
 * Li Auto L7, a 2023–present Chinese mid-size luxury crossover SUV

Other

 * L7, IATA code for Laoag International Airlines

Other uses

 * Royal Ordnance L7, british and the NATO standard 105mm tank and light-field cannon
 * L7 (machine gun), a Belgian 7.62 mm general-purpose machine gun
 * Motorola SLVR L7, a mobile phone