(K.P. Jain, 1936–2025)
(R.K. Jain)
Якубовская [Якубоўская] Татьяна [Таццяна] Васильевна [Васільеўна] (T.V. Jakub., 1940–)
Якубовская = Jacubowskajа Тамара Антоновна (T.A. Jakubovsk., 1916–1989)
(J. James, 1857–1897)
(U.P. James, 1811–1889)
(Jan, 1791–1866)
(Jan du Chêne, 1945–)
(Jana, 1949–2016)
Janchen-Michel von Westland (Janch., 1882–1970)