Henry Lang (February 7, 1828 – February 18, 1896^[1]) was an American politician who served as the Mayor of Newark from 1882 to 1884.^[2] He left one son William F. Lang.^[1]

Mr. Lang was born in Scotland and came to New York City at four years of age.^[1] At age 15, he began working in Newark at a leather establishment with John R. Crockett.^[1] In 1869, he founded a large plant on Plane (now University) and New which manufactured trucks, bags, harnesses, bridles, and other kinds of leather.^[1] His business eventually grew to eight buildings.^[1]

In 1877, Lang was elected Alderman and two years later Councilman.^[1] In 1881 he was elected Mayor.^[1] One of his first and most important acts was to "devise a scheme for the paving of Broad and Market streets with the first granite blocks ever laid on those thoroughfares".^[1]