USS Inca was a small 120-long-ton (120 t) yacht acquired by the United States Navy during the Spanish–American War.

It was outfitted with an 11-pounder gun and, for a short while, patrolled Boston Harbor, before being turned over to the Massachusetts militia as a training ship, a role it retained until 1908.

Inca was assigned to Boston harbor during the Spanish–American War, serving as a patrol and training vessel.

She decommissioned on 27 August 1898, and was turned over to the Massachusetts Militia, which she served as a training ship until 1908.

This article incorporates text from the public domain Dictionary of American Naval Fighting Ships.