Curtis is an unincorporated community in Washington. Named by its first postmaster, Ben Curtis, for himself, Curtis is about 6 miles south of Adna, Washington. Curtis has a general store with a post office, although as of November 2013, the store is no longer in business. The post office is still open.
On December 3, 2007, a mix of weather patterns caused a torrential flood in the Boistfort Valley, at the head of which is the town of Curtis.