Ernst Torp (26 December 1900 – 11 January 1988) was a Norwegian architect. He was born in Kristiania. He was a brother of Leif Torp, and father of Fredrik Torp and Niels A. Torp. Through his marriage with Nini Augusta Butenschøn he was a brother-in-law of Barthold A. Butenschøn and Ragnhild Butenschøn. Torp was running the architect company Torp & Torp, along with his brother Leif, from 1930 to 1974. He designed a number of buildings and neighbourhoods in Oslo. These included Ingar Nilsens løkke at Skøyen, Hoff terrasse, and Kong Oscars Minde. He designed Eikskollen, Høvikåsen, Høvikvollen and Høviksletta in Bærum.