USS Mercer may refer to:
- USS Mercer (ID-3837), was acquired by the US Navy 16 January 1919 and decommissioned 26 May 1919
- USS Mercer (APL-39), is a barracks craft commissioned 19 September 1945 and currently in active service
|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.|
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