Johan Jørgen Schwartz (19 February 1824 – 17 March 1898) was a Norwegian politician and businessperson.^[1]

Schwartz was born at Drammen in Buskerud, Norway. He was the son of Hans Jürgen Schwartz (1785-1844) and Marie Cathrine Wærner (1803–89). He attended to Drammen Latin School. Schwartz first worked as a merchant in Drammen. He started its own company in 1848 and expanded it into one of the city's largest sawmills, timber trade and shipping company. ^[2]

He was the mayor of Drammen (1862-1866). He sat in the Norwegian Parliament as part of the conservative wing between the period (1857-1876). He was a supporter of railways, and was active in passing Randsfjordbanen, Drammenbanen, Jarlsbergbanen and Vossebanen.^[3] He was also director of Norges Bank in Drammen. Schwartz was a co-owner of Eidsfos Verk (1873–79). After an economic crisis, he went bankrupt in 1879 and retired from public business. His son, Paul Lassen Schwartz (1853-1922), joined the company which bought the ironworks at Eidsfoss out of bankruptcy in 1891. ^[3][4]