Reynold Rapp (26 December 1901 – 17 June 1972) was a Progressive Conservative party member of the Canadian House of Commons. He was born in Crimea, Russian Empire and became a farmer by career.He was first elected at the Humboldt—Melfort riding in the 1958 general election. After the riding became known as Humboldt—Melfort—Tisdale, Rapp was re-elected there in 1962, 1963 and 1965.