- Kabler House Histories Collection (MS082)1
- Kanawha County Genealogies1
- Kappa Alpha Theta, Beta Lambda Chapter Records4
- Kappa Alpha, Alpha Zeta Chapter Records3
- Kappa Delta Pi. Alpha Chi Chapter Records1
- Kappa Kappa Gamma (Gamma Kappa Chapter) Records11
- Karen Haught, Compiler, Newspaper Clipping Notebooks Regarding Monongalia County, and Greene County, Pennsylvania1
- Katherine Anne Porter collection2
- Katherine G. Johnson, Mathematician, Papers13
- Katherine M. Hunter, Compiler, Local Histories and Genealogies9
- Katherine Williams, Collector, Williams Family Papers4
- Kathleen Bonnie Crispin Worsham papers10
- Kathryn Belle McGee Records regarding Rhododendron Girls State School at Jackson's Mill7
- Kathryn Cramer Morgan, Charles William Cramer Family Papers1
- Kathryn Eye Papers13