NEG or neg is an abbreviation that may refer to:

the IATA code for Negril Aerodrome in Jamaica Net energy gain Non-evaporable getter, in vacuum technology Negative (disambiguation) Negging, the giving of a backhanded compliment NEG Micon, now part of Vestas Nippon Electric Glass, a Japanese manufacturer National Energy Guarantee, Australia Neg Dupree, of Neg's Urban Sports