USS Merak may refer to:
- USS Merak (1918), was built in 1910 at Rotterdam, the Netherlands. She was seized and turned over to the US Navy in 1918 and during her brief service she was sunk, with no casualties, in the western Atlantic 6 August 1918 by gunfire from the German U-boat SM U-140.
- USS Merak (AF-21), was a cargo ship acquired by the US Navy on 20 March 1942 and decommissioned 21 June 1946
|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.|