The 11th Aviation Battalion was a United States Army aviation unit that fought in the Vietnam War.

The unit served as a test for helicopter support of ground infantry units.

The 11th Aviation Battalion stationed at Fliegerhorst Kaserne in Erlensee, Germany, was the air wing of V Corps.

[4] The 1st Battalion, 11th Aviation Regiment, at Fort Rucker, now carries the 11th Aviation Battalion's lineage.

[5] The organizational structure of the 11th Aviation Battalion reflected the following units in 1966/7: