Joan (Catalaanse)
Giovanni (Italiaanse)
Jovanni (Engelse)
Johann (Duitse)
Evan, Ieuan, Siôn, Ifan, Iefan, Jon, Juan, Janez, Jovan, Ian, Iain, Ivan, Ioann, Ioan, Ionel, João, Iwan, Ean, Jonas, Janis, Eoin, Sean, János, Keoni, Ioannes, Yannis, Ioannis, Xoán, Jani, Juhana, Juha, Joni, Jouni, Hannu, Juhani, Juho, Jussi, Jukka