USS Cape Johnson has been the name of two ships in the service of the United States Navy.
- USS Cape Johnson (AP-172), was a troop transport used during World War II.
- USNS Cape Johnson, is a reserve vessel in the service of the Military Sealift Command.
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.