Namesakes
Charles of Mount Argus
(a.k.a. Joannes) (m) 1821-1893 
Saints
Joannes of Cologne
(m) ?-1572
Saints
Joannes van Oisterwijk
(m) ?-1572
Saints
Jóannes Eidesgaard
(m) 1951-
Other Leaders 2004-2008 Faroe Islands (prime minister)
Prudens van Duyse
(middle name Joannes) (m) 1804-1859
Notable Writers