- Kammerer Family Business Collection, 1842/191410
- Kanawha County (W. Va.) Court Records and Miscellaneous Papers, 1773/193314
- Kanawha Salt Industry, Records, 1837/18971
- Kate Childress Autograph Book, 1884/18892
- Kate M. Walsh Diary, 1866/18912
- Katherine Courtenay Johnston Collection, 1829/19462
- Katherine G. Johnson, Mathematician, Papers, 1800/2024, bulk 2016/20216
- Katherine Williams, Collector, Williams Family Papers, 1840/200512
- Kathleen Bonnie Crispin Worsham papers, 1860/20183
- Kathryn Cramer Morgan, Charles William Cramer Family Papers, 1876/19701
- Keller Hotel of Romney, West Virginia, Hotel Register, 1854/1909, bulk 1855/19071
- Kemble White (1873-1965) Papers, 1898/19652
- Kendall Family of Marion County Papers, 1849/1959, bulk 1900/19451
- Kenneth Fones-Wolf, Historian, Research Papers Regarding Confederacy Supporters in Wheeling, 1819/2004, bulk 1850/18701
- Kenneth Fones-Wolf, Historian, Research Papers Regarding Glass Industry Towns in West Virginia, 1874/20051