SEAC
SEAC stands for:
- Senior Enlisted Advisor to the Chairman of the Joint Chiefs of Staff
- South East Asia Command , subordinate to all Allied military in southern Asia during World War II
- Société Européene pour l'Astronomie dans la Culture
- SEAC (computer) , an early computer at the National Bureau of Standards that went live in 1950 (see Samuel N. Alexander )
SE-AC stands for:
- Västerbottens län , ISO-3166-2 code of the Swedish province