Sagamore is a census-designated place (CDP) in the town of Bourne in Barnstable County, Massachusetts, United States.

[3] "Sagamore" was one of the words used by northeastern Native Americans to designate an elected chief or leader.

Sagamore is located in the northeastern corner of the town of Bourne.

[4] It is bordered to the northeast by Cape Cod Bay, to the northwest by the town of Plymouth, to the west by the Massachusetts Route 3 expressway, to the southwest and south by U.S. Route 6 (the Mid-Cape Highway), and to the east by the town of Sandwich.

The Cape Cod Canal passes east to west through the southern part of the village.