Paul Øistein Engstad (13 October 1926 – 13 May 2012) was a Norwegian writer and politician for the Labour Party.He was born in Sauda. He was a journalist in the Labour-aligned newspaper Arbeiderbladet, and held several positions in the Labour Party as organizational secretary and information director in the parliamentary group. From 1976 to 1980 he was a part of Nordli's Cabinet as State Secretary in the Office of the Prime Minister.