LARS

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