Shediac is a geographic parish in Westmorland County, New Brunswick, Canada.

The parish's name comes the community of Shediac, itself from a corruption of Mi'kmaq Es-ed-ei'-ik, translated by Rand as "running far back."

[16][17][20] bold indicates an incorporated municipality or rural community; italics indicate a name no longer in official use Bodies of water[d] at least partly within the parish.

[16][17][20] Parks, historic sites, and other noteworthy places at least partly within the parish.

[16][17][20] Parish population total does not include the town of Shediac and portions within Dieppe, Cap-Pelé, and Beaubassin East Mother tongue (2016)[24]