The Hiester family is a German American family. Many of their members were involved in 19th-century American and Pennsylvanian politics. The family still has relatives alive today with widely ranging professions.
Noted members of the family include:
- John Hiester (1745-1821), US Congressman
- Daniel Hiester (1747-1804), US Congressman
- Gabriel Hiester (1749-1824), Pennsylvania Assembly member
- Joseph Hiester (1752-1832), US Congressman and Governor of Pennsylvania
- Daniel Hiester the younger (1774-1834), US Congressman
- William Hiester (1790-1853), US Congressman
- William Muhlenberg Hiester (1818-1878), Pennsylvania state senator
- Isaac Ellmaker Hiester (1824-1871), US Congressman
- Hiester Clymer (1827-1884), US Congressman
The Hiesters were related to the Muhlenberg family.