Henry Overholser (April 14, 1846 – August 25, 1915) was an American businessman, county commissioner, and important contributor to the development of Oklahoma City.

[1] He started various real estate and building enterprises in Colorado and Ashland, Wisconsin before moving to Oklahoma Territory.

[2][4] He quickly began buying lots, developing business buildings, and making capital improvements using his own money to what would become Oklahoma City[2][3] Overholser married Anna Ione Murphy on October 23, 1889.

[10] Just before statehood in 1906, Overholser helped the local chamber of commerce purchase land for the State Fair of Oklahoma, giving it a permanent home.

[11] It passed through the family until it was transferred to David Perry, the husband of Overholser's daughter, after her death.