LSG can refer to:
*
LSG (band), an R&B group
*L.S.G., a Techno-Trance project by
Oliver Lieb
*
LSG Sky Chefs, an airline catering company
*
Laparoscopic Sleeve Gastrectomy, a surgical weight-loss procedure
*
League of Saint George, a far right group
*
Loss of Strength Gradient, used in the context of military might; a theory that strength declines as distance increases
*
Louisiana State Guard
The Louisiana State Guard (LSG) is the official state defense force of the state of Louisiana. The LSG was first created during World War II. As a state defense force, the LSG is a part of the state militia of Louisiana, and can serve as a state ...
, the state defense force of Louisiana
*
Virgo Supercluster, the Local Supercluster of galaxies
*
Landing Ship Gantry a US Navy World war 2 type ship
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