- Kadel & Herbert News Service (New York)1
- Kaessinger, Charles H.1
- Kaiserlich Franciscische Akademie der Freien Künste und Wissenschaften1
- Keeler, Sue1
- Kelley, E. W., active 1868-19082
- Kemp, James, 1764-18271
- Kennon, Beverley, 1793-18442
- Kennon, Britannia Wellington Peter, 1815-19115
- Keulen, Gerard van (1678-1726)7
- Kilburn Brothers10
- Kilburn, B. W. (Benjamin West), 1827-19098
- Kilian, Georg Christoph, 1709-17811
- Killam, Charles W.6
- King, Annie Ragan, 1856-19331
- King, Grace Elizabeth, 1851 or 1852-19321