USS Thetis

USS Thetis has been the name of more than one United States Navy ship, and may refer to:


 * USS Thetis (1881), a steamer in commission in 1884 and from 1887 to 1897
 * USS Thetis (SP-391), a patrol vessel in commission from 1917 to 1919
 * USCGC Thetis (WPC-115), a United States Coast Guard patrol craft in commission from 1931 to 1947 that was commissioned in the US Navy from 1941 to 1945 as USS Thetis