John Henry Miller (March 24, 1848 - August 20, 1907) was an American businessman and politician.
John Henry Miller was born March 24, 1848, near Enfield, Illinois.
He was a teacher in Illinois and Indiana for a number of years before becoming a hardware store owner.
He was active in local Republican politics as a county party chairman and member of the state central committee.
After leaving the legislature, Miller returned to his business pursuits.