Petrus Adrianus (Piet) Kerstens (born 23 August 1896, in Ginneken – died 8 October 1958, in The Hague) was a Dutch politician and educator. He was minister of Economic Affairs, Agriculture and Fisheries in the second Gerbrandy cabinet from 1942 to 1944. After World War II he was a member of the Senate for the Catholic People's Party (KVP).