Hans Hein Theodor Nysom (5 September 1845 – 28 August 1903) was a Norwegian politician with the Liberal Party, a cabinet minister and member of Norwegian Parliament. Nysom was born at Botne in Vestfold, Norway. He was a grandchild of priest and politician Hans Hein Nysom.He originally made a career in the military, but from 1874 he worked with canals and timber raftings. From 1884 to 1892 he was the chairman of the Norwegian Polytechnic Society.