- Johnson, A. Ross1
- Johnston, Rosamund1
- Kantorovich, Boris IAkovlevich1
- Kashlev, IUrii B.1
- Kassis, Vadim Borisovich1
- Kemény, István1
- Khachaturov, Karen Armenovich1
- Khan, Deeayah1
- Khokhlov, Aleksei Gavrilovich1
- Kim, Il-sǒng1
- Kingston, Paul J.1
- Kirchhoff, Robert1
- Kirkpatrick, E. M.1
- Kirkpatrick, Lyman B.1
- Kissel, Wolfgang , Wesnigk, Cay C.1
- Klemperer, Victor1
- Kloft, Michael1
- Kolonits, Ilona1
- Kovalʹskii, N. A.1
- Kozaczuk, Władysław1