Henry William Harrington (September 12, 1825 – March 20, 1882) was an American lawyer and politician who served one term as a U.S. Representative from Indiana from 1863 to 1865.

He returned to Indiana in 1874, settled in Indianapolis, and resumed the practice of law.

He served as collector of internal revenue for the third district of Indiana from October 27, 1866, to March 3, 1867.

In 1876, Harrington ran unsuccessfully as the Greenback Party candidate for governor of Indiana, coming in third place after Democrat James D. Williams and Republican Benjamin Harrison, with only 12,710 votes.

This article incorporates public domain material from the Biographical Directory of the United States Congress