Jowan igama elona lifanelekileyo: Inhlanhla, Bokudala, Namhlanje, Nobungane, I-temperamental. Fumana Jowan intsingiselo yegama.
Sim intsingiselo egqibeleleyo yegama: I-temperamental, Ufanele, Ezinqabileyo, Unika, Nobungane. Fumana Sim intsingiselo yesinti.
Jowan imvelaphi yegama lokuqala. Cornish form of John. Fumana Jowan imvelaphi yegama lokuqala.
Igama lokugqibela Sim eliqhelekileyo Bruneyi, Khambodiya, Maleyishiya, Singapho, Emaznstie ekorea. Fumana Sim ifani isasazeka.
Amagama alinganayo for Jowan kumazwe ahlukeneyo neelwimi: Anže, Deshaun, Deshawn, Ean, Eoin, Evan, Ganix, Ghjuvan, Gian, Gianni, Giannino, Giannis, Giovanni, Gjon, Hampus, Hank, Hanke, Hankin, Hann, Hanne, Hannes, Hannu, Hans, Hasse, Honza, Hovhannes, Hovik, Hovo, Iain, Ian, Iancu, Ianto, Iefan, Ieuan, Ifan, Ioan, Ioane, Ioann, Ioannes, Ioannis, Iohannes, Ion, Ionel, Ionuț, Iván, Ivan, Ivane, Ivano, Ivica, Ivo, Iwan, Jaan, Jānis, Jack, Jackin, Jake, Ján, Jancsi, Janek, Janez, Jani, Janika, Jankin, Janko, Janne, Jannick, Jannik, Jan, Jan, János, Janusz, Jean, Jeannot, Jehan, Jehohanan, Jens, Jo, João, Joannes, Joan, Joãozinho, Joĉjo, Johan, Johanan, Johann, Johannes, Johano, John, Johnie, Johnnie, Johnny, Jón, Jonas, Jone, Joni, Jon, Jon, Jóannes, Jóhann, Jóhannes, Joop, Jouni, Jovan, Juan, Juanito, Juha, Juhán, Juhan, Juhana, Juhani, Juho, Jukka, Jussi, Keoni, Keshaun, Keshawn, Nelu, Nino, Ohannes, Rashaun, Rashawn, Seán, Sean, Shane, Shaun, Shawn, Shayne, Siôn, Sjang, Sjeng, Van, Vanja, Vanni, Vano, Vanya, Xoán, Xuan, Yahya, Yan, Yanick, Yanko, Yann, Yanni, Yannic, Yannick, Yannis, Yehochanan, Yianni, Yiannis, Yoan, Yochanan, Yohanes, Yuhanna, Zuan, Žan. Fumana Jowan kwezinye iilwimi.
Amagama aqhelekileyo ngegama lokugqibela Sim: Marguerita, Lindsay, Ian, Suansim, Sok Hoon. Fumana Amagama ahamba kunye Sim.
Ukuhambisana Jowan kunye Sim yi 78%. Fumana Ukuhambelana Jowan kunye Sim.