NACS

NACS refers to:

Technology

 * North American Charging Standard (SAE J3400), electric vehicle charging standard originally developed by Tesla

Groups, companies, organizations

 * National Association of Cambodian Scouts
 * National Association of Convenience Stores
 * North-American Catalan Society
 * Northwest Allen County Schools
 * Team Nacs, Japanese theatrical and music group

Competitions, sports, games

 * North American Challenge Skate
 * North American League of Legends Challenger Series