Marine Wing Support Squadron 371 (MWSS 371) is an aviation ground support unit of the United States Marine Corps.

They are based out of Marine Corps Air Station Yuma, Arizona.

Provide all essential Aviation Ground Support requirements to a designated fixed-wing component of an Aviation Combat Element (ACE) and all supporting or attached elements of the Marine Air Control Group.

Marine Wing Support Squadron 371 was activated on 2 June 1986 at Marine Corps Air Station El Toro, California.

The squadrons first combat deployment was in support of Operation Desert Storm in Southwest Asia from August 1990 to April 1991.