John Henry Lewis (July 21, 1830 – January 6, 1929) was an American lawyer and politician who served as a U.S. representative for Illinois's 9th congressional district from 1881 to 1883.

Lewis moved to Knox County, Illinois, in 1847 and engaged in agricultural pursuits near Knoxville.

After practicing law in Knoxville, Illinois, he served as clerk of the circuit court of Knox County from 1860 to 1864.

Lewis died in Knoxville, Illinois, on January 6, 1929, at the age of 98.

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