| Pamunkey River | |
| Map: | Yorkrivermap.png |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Virginia |
| Subdivision Type3: | Counties |
| Subdivision Name3: | New Kent, King William, Caroline, Hanover |
| Length: | 93miles |
| Source1: | Confluence of the North Anna and South Anna rivers |
| Source1 Location: | Near Ashland, forms part of the boundary of Hanover County and Caroline County |
| Source1 Coordinates: | 37.8036°N -77.4075°W |
| Mouth: | York River |
| Mouth Location: | West Point, King William County |
| Mouth Coordinates: | 37.5175°N -76.7914°W |
| Tributaries Left: | North Anna River |
| Tributaries Right: | South Anna River |
The Pamunkey River is a tributary of the York River, about long,[1] in eastern Virginia in the United States. Via the York River it is part of the watershed of Chesapeake Bay.
The Pamunkey River is formed by the confluence of the North Anna and South Anna rivers on the boundary of Hanover and Caroline counties, about northeast of the town of Ashland. It flows generally southeastwardly past the Pamunkey Indian Reservation to the town of West Point, where it meets the Mattaponi River to form the York River. The river's course is used to define all or portions of the southern boundaries of Caroline and King William counties and the northern boundaries of Hanover and New Kent counties.
The U.S. Board on Geographic Names settled on "Pamunkey River" as the river's official name in 1892. According to the Geographic Names Information System, it has also been known as: