NARS

Nars or NARS may refer to:
 * Karl Nars (1874–1952), Finnish industrialist
 * Natural Area Reserves System such as the Natural Area Reserves System Hawaii
 * North Atlantic Radio System, a troposcatter communications system for the air defence of NATO's North-Eastern flank
 * NARS Cosmetics
 * NARS (gene) (Asparaginyl-tRNA synthetase, cytoplasmic), an enzyme in humans
 * Nested Arrays Research System, an extension of the APL programming language such as NARS2000