Music and culture

• Square (slang)
  Square (slang)
  Square used as slang may mean many things when referring to a person or in common language.In referring to a person, the word originally meant someone who was honest, traditional and loyal. An agreement that is equitable on all sides is a "square deal"...
  
  , from the thumbs and forefingers of two hands forming the shape "L7"
• Bustin' Out of L Seven
  Bustin' Out of L Seven
  -Track listing:All tracks composed by Rick James#Bustin' Out 5:24#High on Your Love Suite: One Mo Hit 7:24#Love Interlude 1:57#Spacey Love 5:50#Cop N Blow 5:04#Jefferson Ball 7:21...
  
  , an album by Rick James
• L7 (band)
  L7 (band)
  L7 was an American rock band from Los Angeles, that was active from 1985 to 2000. Due to their sound and image, they are often associated with the grunge movement of the late 1980s and early 1990s.-History:...
  
  , a grunge/punk band from Los Angeles, California
• L-Seven
  L-Seven
  L-Seven was a post-punk band from Detroit, Michigan, United States. The band existed during 1980–1983 and released a 7" titled "L-Seven" by Touch and Go Special Forces in 1982. Touch and Go Special Forces was created to issue records that of a different nature than the hardcore records that Touch...
  
  , post-punk band from Detroit, Michigan

Science and engineering

• L7 (machine gun)
• L7-filter
  L7-filter
  l7-filter is a software package which provides a classifier for Linux's Netfilter subsystem which can categorize Internet Protocol packets based on their application layer data. The major goal of this tool is to make possible the identification of peer-to-peer programs, which use unpredictable...
  
  , a classifier for Linux's Netfilter
• Landsat 7
  Landsat 7
  Landsat 7, launched on April 15, 1999, is the latest satellite of the Landsat program. Landsat 7's primary goal is to refresh the global archive of satellite photos, providing up-to-date and cloud-free images. The Landsat Program is managed and operated by the USGS, and data from Landsat 7 is...
  
   earth observation satellite
• Motorola SLVR L7 mobile phone
• Royal Ordnance L7
  Royal Ordnance L7
  The Royal Ordnance L7 is the basic model of Britain's most successful tank gun. The L7 was a 105 mm L/52 rifled design intended for use in armoured fighting vehicles...
  
   tank gun
• The L^p space
  Lp space
  In mathematics, the Lp spaces are function spaces defined using a natural generalization of the p-norm for finite-dimensional vector spaces...
  
   for p=7

Other

• Laoag International Airlines
  Laoag International Airlines
  Laoag International Airlines was an airline based in the Philippines. It shut down after one of its aircraft crashed in Manila Bay in 2002.-Code data:Laoag International Airlines Code Data.*IATA Code: L7*ICAO Code: LPN*Callsign: Laoag Air...
  
  , whose IATA airline code is L7