Northesk is a geographic parish in Northumberland County, New Brunswick, Canada. For governance purposes it is divided between the city of Miramichi; the Indian reserves of Big Hole Tract 8, Big Hole Tract 8, Eel Ground 2, Indian Point 1, Red Bank 4, and Red Bank 7; the incorporated rural community of Miramichi River Valley, and the Greater Miramichi rural district. The city, rural community, and rural district are all members of the Greater Miramichi Regional Service Commission.