St. Marys River
English
Proper noun
- An international river separating Ontario, Canada, and Michigan, United States, and between Lake Superior and Lake Huron.
- A river between Florida and Georgia, United States, that flows into the Atlantic Ocean.
- A river in northern Indiana, and northern Ohio, United States, a tributary of the Maumee.
- A river in southern Maryland, United States, that joins the Potomac, near Chesapeake Bay.