Hernshaw is an unincorporated community in Kanawha County, West Virginia, United States. Hernshaw is located on West Virginia Route 94, southwest of Marmet, along Lens Creek. Hernshaw has a post office with ZIP code 25107.
The community's name is an amalgamation of the names Herndon and Renshaw, two men in the local coal mining industry.
On 2 April 2024, a tornado touched down at the Kanawha State Forest and moved eastward until it dissipated at a point between Hernshaw and Marmet. Significant property damage in and around the unincorporated community occurred as a result.
A 3-vehicle crash on Lens Creek Road (WV Route 94) occurred on 31 January 2025, with one death. On 15 September 2025, a car and a coal truck crashed on Lens Creek Road, with zero injuries. Yet another head-on collision on the same road happened between SUV and a utility truck on 2 December 2025, with one death.