Hans Haslum (8 November 1789 – 5 July 1875) was a Norwegian farmer and elected official.
He served as a representative at the Norwegian Constitutional Assembly.Hans Johnsen Haslum was born in Haslum at Bærum in Akershus, Norway.
He was raised on a family farm and was educated at home by a tutor.
As a young man, he chose a military career.
He became a corporal in 1805.
In 1814, he was serving as a sergeant in the Artillery Corps.
In 1816, Haslum was discharged from military service.Hans Johnsen Haslum represented the Artillery Corps (Artilleri-Corpsetat) the Norwegian Constituent Assembly in 1814, together with Peter Motzfeldt.
Both representatives supported the independence party (Selvstendighetspartiet).
During the Swedish-Norwegian War in 1814 he participated in the Battle of Kjølberg Bridge.
In 1816, he married Anne Christine Norderaas (1791-1834) with whom he had seven children.
When they married, the couple took over her family farm (Norderaas i Ås) in Follo.
He was also acting sheriff of the district and from 1838-1841 he was the first mayor of Ås.
In 1857, Haslum became the first director of the Eidsvoll Building (Eidsvollsbygningen) at Eidsvoll.