USS Guam may refer to:
- USS Guam (PG-43) was a river gunboat in China, renamed Wake in January 1941 and captured by the Japanese in December of the same year
- USS Guam (CB-2) was an Alaska-class cruiser in service from 1944 to 1947
- USS Guam (LPH-9) was an Iwo Jima-class amphibious assault ship in service from 1965 to 1998
- USNS Guam (HST-1), formerly HSC Huakai, is a ferry used to transport troops in Okinawa
This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.