USCGC Mackinac has been the name of more than one United States Revenue Cutter Service and United States Coast Guard ship, and may refer to:
USRC Mackinac (1903), a patrol boat which served in the Revenue Cutter Service from 1903 to 1915 and in the Coast Guard (as USCGC Mackinac) from 1915 to 1917 and from 1919 to 1939
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.