The 17th Aviation Brigade was a military formation of the United States Army. It was originally activated at Nha Trang, Vietnam, as the 17th Aviation Group (Combat) on 15 December 1965 under the 1st Aviation Brigade. Later it moved to Tuy Hoa in November 1970 and then to Pleiku in January 1972. The group had the mission of commanding and controlling all non-divisional assets in II Corps Tactical Zone, under I Field Force. The , 14th, 52d, and 268th Aviation Battalions as well as the 7th Squadron, 17th Cavalry served with the group.