NCAC

NCAC could refer to:

Australia

 * National Cadet Advisory Council, the link between cadets and officers in the Australian Army Cadets
 * National Childcare Accreditation Council, a non-profit organization funded by and accountable to the Australian Government

Poland

 * Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences, an astronomy research institute in Poland

United States

 * National Capital Area Council of the Boy Scouts of America
 * National Coalition Against Censorship
 * Nevada County Arts Council, art council in Nevada County, California, USA
 * North Carolina Arts Council, an organization that provides grants to artists
 * North Coast Athletic Conference, an NCAA Division III athletic conference
 * Northern California Athletic Conference, a former NCAA Division II football conference
 * Northern Combat Area Command, a mainly Sino-American formation that participated in Burma during World War II