Peter Arend Stoffer (born January 6, 1956 in Heerlen, Limburg, Netherlands) is a Canadian politician.

Stoffer is currently a member of the New Democratic Party in the Canadian House of Commons, representing the riding of Sackville—Musquodoboit Valley—Eastern Shore since 2000 and the riding of Sackville—Eastern Shore from 1997 to 2000. Stoffer is a former manager. Stoffer is the current NDP critic of Fisheries and Oceans, Shipbuilding, Seniors, Veterans’ Affairs, Amateur Sport. He is a former critic of Canada Post Corporation, Atlantic Canada Opportunities Agency, National Defence, and Veterans Affairs.

Stoffer is considered to be on the right of the party and has been an advocate of Third Way policies championed by Tony Blair.