Halfdan Strøm (4 November 1863 – 28 March 1949) was a Norwegian painter and an early representative of realism in Norwegian painting. He attended the Royal Drawing School in Christiania (nor Oslo). In 1883, he debuted at the Industrial and Art Exhibition at Tullinløkka, site of the Norwegian Geographical Survey in Oslo. During the period 1883–84, he was in Munich. During 1884, he participated in an outdoor academy conducted by Frits Thaulow in Modum.