L5 or L-5 may refer to:

Entertainment

  • L5 (band), French female pop music group
  • L5 Games, video games developer published by Gravity Interactive
  • Gibson L5, electric guitar
  • "Home on Lagrange (The L5 Song)", a filk song

Science

  • Haplogroup L5 (mtDNA), human mitochondrial DNA haplogroup
  • L5, the fifth lumbar vertebra
  • Lagrangian point 5 in an astronomical solar system
  • Lp space for p=5
  • Ribosomal protein L5, a human gene
  • Ubiquitin carboxyl-terminal hydrolase L5, a human gene

Transportation

  • GPS L5, a GPS signal
  • Stinson L-5 Sentinel, aircraft used by the United States Army Air Forces in World War II
  • Barcelona Metro line 5
  • HMS L5, a 1917 British L class submarine
  • Junkers L5, a 1920s German six-cylinder, water-cooled, inline aircraft engine
  • PRR L5, an American electric locomotive
  • SP&S Class L-5, an 1897 steam locomotives class
  • Strv L-5, a 1929 Swedish tank designed by Landsverk
  • USS L-5 (SS-44), a 1916 United States Navy L-class submarine
  • L5, an S-Bahn line of the Léman Express in Switzerland

Other uses

  • L5 Society, a society promoting Dr. Gerard K. O'Neill's vision of space colonization
  • ISO/IEC 8859-9 (Latin-5), an 8-bit character encoding

See also

  • 5L (disambiguation)
  • Level 5 (disambiguation)