Ammonoosuc

Ammonoosuc or Ammonusuc may refer to:


 * Ammonoosuc River, in New Hampshire
 * USS Ammonusuc (AOG-23), naval ship

Other rivers in New Hampshire

 * Upper Ammonoosuc River, distinct from the Ammonoosuc
 * Wild Ammonoosuc River, a tributary of the Ammonoosuc