Yoan kacha mma aha pụtara: Ifịk, Obodo, Iwe, Enyịn, Eji obi ụtọ. Nweta Yoan pụtara aha.
Hlavatý kacha mma aha nna pụtara: Enyi na enyi, Oké njọ, Emesapụ aka, Obodo, Ifịk. Nweta Hlavatý pụtara aha nna.
Yoan si malite aha mbụ. Bulgarian form of John. Nweta Yoan si malite aha mbụ.
Yoan aha diminutives: Ivo, Yanko. Nweta Nicknames maka Yoan.
Agakọta aha maka Yoan na mba dị iche iche na-asụ asụsụ: 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, 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, Jowan, Juan, Juanito, Juha, Juhán, Juhan, Juhana, Juhani, Juho, Jukka, Jussi, Keoni, Keshaun, Keshawn, Nelu, Ohannes, Rashawn, Seán, Sean, Shane, Shaun, Shawn, Siôn, Sjang, Sjeng, Van, Vanja, Vanni, Vano, Vanya, Xoán, Xuan, Yahya, Yan, Yanick, Yann, Yanni, Yannic, Yannick, Yannis, Yehochanan, Yianni, Yiannis, Yochanan, Yohanes, Yuhanna, Zuan, Žan. Nweta Yoan na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ Hlavatý: Hannelore, Dalton, Maxwell, Dwayne, Pricilla. Nweta Aha na-aga na Hlavatý.
Ndakọrịta nke Yoan na Hlavatý bụ 78%. Nweta Ndakọrịta nke Yoan na Hlavatý.