Samuel Earl Oosterhoff (born August 22, 1997) is a Canadian politician. Oosterhoff is currently the Member of Provincial Parliament (MPP) for the riding of Niagara West. Oosterhoff is a member of the Progressive Conservative Party of Ontario and was first elected at the age of 19 in a November 2016 byelection, the youngest Ontario MPP to ever be elected. The previous record was held by Reid Scott who was elected as a Co-operative Commonwealth Federation MPP in 1948 at the age of 21.