330th may refer to:
330th Aircraft Sustainment Group, inactive group of the United States Air Force 330th Aircraft Sustainment Wing, former wing of the United States Air Force 330th Bombardment Group (VH), former bomber group of the United States Army Air Forces active during World War II 330th Combat Training Squadron, unit of the United States Air Force 330th Fighter-Interceptor Squadron, former unit of the United States Air Force 330th Rifle Division (Soviet Union), former infantry division of the Red Army founded during World War II
See also 330 (number) 330, the year 330 (CCCXXX) of the Julian calendar