Henning Thorvaldssøn Astrup (21 February 1904 – 7 August 1983) was a Norwegian architect.
[1] He was born in Kristiania (now Oslo), Norway to architect Thorvald Astrup and Alfhild Ebbesen.
[2] He was a nephew of Arctic explorer Eivind, architect Henning, and merchant Sigurd Astrup.
Among his designs were industrial buildings for Norsk Hydro at Herøya, Rjukan, Notodden, Glomfjord and Kykkelsrud.
[2] He also designed the lodging facilities Skjennungstua and Kikutstua in Nordmarka[4] and Skeikampen in Gausdal.