Oak Grove Cemetery (originally the Sewall Burying Ground)[2] is an historic cemetery located in Bath, Maine.

Its oldest headstone bears the date January 22, 1777.

[2] The cemetery was purchased from the heirs of Charles Sewall in 1872.

[4] Whiskeag Trail traverses a portion of the cemetery, crossing Old Brunswick Road at its southern boundary.

[5] It crosses the cemetery's bridge that spans the Rockland Branch railroad.