Henry Underwood Johnson (October 28, 1850 – June 4, 1939) was an American lawyer and politician who served four terms as a U.S. Representative from Indiana from 1891 to 1899.

He was admitted to the bar in 1872 and commenced practice in Centerville, Indiana.

He moved to Richmond, Indiana, in 1876 and continued the practice of his profession.

In April 1898, Johnson was among the six representatives who voted against declaring war on Spain.

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