GLP can refer to:

  • Gateway location protocol
  • German Longhaired Pointer
  • Gibraltar Labour Party
  • Gibraltar Liberal Party
  • Gleichmäßigkeitsprüfung, German for regularity test, a series for street-legal cars held at Nürburgring
  • Global Land Project
  • Glucagon-like peptide-1 (GLP-1), a gut hormone involved in decreased feed intake and increased insulin secretion
  • Glucagon-like peptide-2 (GLP-2), co-secreted with GLP-1, potentially linking intestinal growth and metabolism with nutrient intake
  • Glycerol facilitator protein
  • Good Laboratory Practice (See also GxP)
  • Green Liberal Party, a Swiss political party.
  • Guadeloupe (ISO 3166-1)