- Kanawha County Public Schools, Textbook Controversy Records, 1963/1990, bulk 1965/19852
- Kanawha Valley, Chemical Industry, Publications and Videos, 1979/19941
- Kappa Alpha Theta, Beta Lambda Chapter Records, 1921/2005, bulk 1930/19906
- Kappa Alpha, Alpha Zeta Chapter Records, 1915/1966, bulk 1948/20082
- Kappa Delta Pi. Alpha Chi Chapter Records, 1923/19863
- Kappa Kappa Gamma (Gamma Kappa Chapter) Records, 1923/201413
- Kappa Kappa Psi Records, 1958/2009, bulk 1979/200919
- Karen Haught, Compiler, Newspaper Clipping Notebooks Regarding Monongalia County, and Greene County, Pennsylvania, 1930/19831
- Katharine Gregg Papers, 1972/20032
- Katherine G. Johnson, Mathematician, Papers, 1800/2024, bulk 2016/202116
- Katherine Williams, Collector, Williams Family Papers, 1840/20055
- Kathleen Bonnie Crispin Worsham papers, 1860/201811
- Kathleen Cruise Architectural Papers, 1964/19955
- Kathryn Belle McGee Records regarding Rhododendron Girls State School at Jackson's Mill, 1941/2003, bulk 1941/198712
- Kathryn Clarke Albright Architectural Papers, 1978/20013