Hiram Milton Northup (June 4, 1818 – March 22, 1893) was an American banker and businessman.

[2] In St. Louis, he started a Native American trading business, which soon was shipping goods to Kansas City.

He traded cloth products with Shawnee, Peoria, Piankeshaw, Pottawattami, Osage, Seneca, Sac and Fox and Cherokee peoples.

He made a partnership with Silas Armstrong and Joel Walker of the Wyandot.

[7] Northup died on March 22, 1893,[8] aged 74, and is buried at Huron Cemetery.