Mads Wiel Stang (19 September 1838 – 23 August 1909) was a Norwegian forest owner and politician for the Conservative Party.
He was born in Frederikshald as a son of sawmill owner Ole Andreas Stang (1807–1883) and Anne Bolette f. Wiel.
[1][2] After finishing his secondary education in 1857, Mads Wiel Stang spent the following years in Germany, France and Scotland.
[2] He reportedly refused to be nominated as a candidate for the Parliament of Norway, but was nonetheless elected as a deputy representative in 1888.
He was vice consul for Germany from 1879 to 1898, and was a supervisory council member of the Norwegian Forestry Society.