Southampton is a geographic parish in York County, New Brunswick, Canada.

[2] Prior to the 2023 governance reform, for governance purposes it was divided between the town of Nackawic, the village of Millville, and the local service district of the parish of Southampton,[3] all of which were members of Capital Region Service Commission (RSC11).

The next year the part of Northampton south of the line was erected as Southampton.

[5] Southampton was erected in 1833 from the part of Northampton Parish that was southeast of the Carleton County line.

[8][9][10] Parks, historic sites, and other noteworthy places at least partly within the parish.