'Oswegatchie' may refer to:
In New York:
★
Oswegatchie, New York, a town in St. Lawrence County
★
Oswegatchie River, a tributary of the Saint Lawrence River
★
Oswegatchie tribe, a native people of northern New York
★ Fort Oswegatchie, subsequent name of
Fort de La Présentation
★ Oswegatchie Corners, a location in the town of
Diana, New York