LARS may refer to:

• L.A.R.S. (Last American Rock Stars), a rap group

• Launch and recovery system (diving)

• Least-angle regression, a regression algorithm for high-dimensional data

• Lesotho Amateur Radio Society

• Leucyl-tRNA synthetase, a human gene

• Light Artillery Rocket System

• Long Ashton Research Station

• Lower anterior resection syndrome

See also

• Lars, a given name

• LAR (disambiguation)