Henry Mills Fuller (January 3, 1820 – December 26, 1860) was a Whig and Opposition Party member of the U.S. House of Representatives from Pennsylvania.

Henry M. Fuller was born in Bethany, Pennsylvania. He graduated from Princeton College in 1839. He studied law, was admitted to the bar January 3, 1842, and commenced practice in Wilkes-Barre, Pennsylvania. He was a member of the Pennsylvania House of Representatives in 1848 and 1849.

Fuller was elected as a Whig to the Thirty-second Congress. He was an unsuccessful candidate for reelection in 1852. He was reelected as an Opposition Party candidate to the Thirty-fourth Congress. He was not a candidate for renomination in 1856. He was running for the Speakership of the House of Representatives, but he was in favor of the Missouri Compromise. A newspaper in Missouri said "We would not care if H.M. Fuller was a Southern man and owned every Negro in Louisiana ... we would spurn him."^[1] He resumed the practice of law, and died in Philadelphia in 1860. Interment in Hollenback Cemetery^[2] in Wilkes-Barre, Pennsylvania.

• United States Congress. "Henry Mills Fuller (id: F000410)". Biographical Directory of the United States Congress.
• The Political Graveyard