| Country | Day | Month | Names |
 Bulgaria | 7 | January | Ivan, Ivaylo, Ivanka, Vanio, Vania, Encho, Enio, Zhan, Zhana, Ivayla, Ivelin, Ivelina, Ivet, Ivo, Yoan, Ioan, Ioana, Yonka, Yonko, Yoncho, Yoto, Kaloyan, Kaloian |
 Greece | 7 | January | Ioannis, Giannis, Gianna, John, Jeannette, Ivana, Prodromos |
 Latvia | 8 | January | Erhads, Gatis, Gundabis, Ivanda |
 Croatia | 12 | January | Arkadije, Živana, Ernest |
 Norway | 22 | January | Ivan, Vanja |
| Latvia | 29 | January | Aivars, Valerijs |
 Lithuania | 29 | January | Aivaras, Girkantas, Valerijus, Zibute |
| Croatia | 31 | January | Ivan, Marcela, Julije |
| Norway | 31 | January | Idun, Ivar |
 Sweden | 31 | January | Ivar, Joar |
| Latvia | 27 | February | Andra, Daiva, Liva, Livija |
| Latvia | 1 | March | Ikars, Ilgvars, Ilvars, Ivars |
| Croatia | 8 | March | Pačista, Ivan |
| Latvia | 12 | March | Aija, Aiva, Aivis, Ausmins, Gregors |
| Croatia | 27 | March | Ivan Damašć., Rupert, Lidija, Lada |
 Czechia | 4 | April | Ivana |
| Croatia | 7 | April | Ivan de la Salle, Herman, Epifan |
| Lithuania | 14 | April | Justinas, Vaisvyde, Vaiva, Valerijonas, Visvaldas |
 Hungary | 20 | April | Tivadar |
| Croatia | 10 | May | Ivan Merz, Gospa Trsat |
 Estonia | 11 | May | Liivar, Liivo, Leevo |
| Latvia | 14 | May | Aiva, Duda, Elfa, Krisjanis, Kriss |
| Croatia | 16 | May | Ivan Nepomuk, Andrija Bobola, Nenad |
| Croatia | 18 | May | Ivan I. papa, Venancije, Srecko |
 USA | 19 | May | Dumont, Duncan, Dunstan, Indigo, Ivar, Ives, Wright, Yves |
| Sweden | 24 | May | Ivan, Vanja |
 Finland | 29 | May | Oiva, Oliver, Olivia, Livia |
| Croatia | 30 | May | Ivana Arška |
| Estonia | 2 | June | Viivia, Vivian, Viiva, Viive, Viivi, Viivika, Veevi |
 Spain | 3 | June | Oliva, Kevin, Cecilio, Davino, Clotilde, Luciniano |
| Croatia | 10 | June | Margareta, Dijana, Bl. Ivan Dominici |
| Croatia | 12 | June | Ivan Fakundo, Bosiljko, Nino |
| Latvia | 14 | June | Kitija, Klitija, Saiva, Sentis, Tija |
| Finland | 16 | June | Päivi, Päivikki, Päivä |
| Lithuania | 18 | June | Arnulfas, Ginbutas, Marina, Vaiva |
| Croatia | 22 | June | Ivan Fisher, Toma More |
| Croatia | 24 | June | Rodenje Ivana Krstitelja |
| Hungary | 24 | June | Iván |
| Spain | 24 | June | Juan, Juana, Ivana, Joan, Jon, Iván, Jean |
 Ukraine | 24 | June | Bohuslav, Bohuslava, Boris, Boryslav, Boryslava, Slavko, Slavka, Ivan, John, Yvonna, Jean, Joan, Johanna |
| USA | 24 | June | Hans, Giovanna, Giovanni, Ian, Ivan, Jan, Jana, Jean, Jeanette, Jeannette, Johan, John, Johnnie, Johnny, Juan, Juana, Juanita, Sean, Shana, Shane, Shanna, Yancy |
| Czechia | 25 | June | Ivan |
| Croatia | 26 | June | Ivan, Pavao, Vigilije, Zoran |
| Estonia | 26 | June | Manivald, Vanevald, Vane, Vaane, Vaano, Vaino |
| Latvia | 30 | June | Mareks, Talis, Talivaldis |
| USA | 6 | July | Godiva, Isaiah, Isaias, Isiah, Jamaal, Jamal, Jamel, Jamil, Pallas, Shea, Shyanne |
| Norway | 8 | July | Sunniva, Synne, Synnøve |
 Slovakia | 8 | July | Ivan |
| Spain | 22 | July | Teófila, Zoraida, Magdalena, Zaida, Primitiva |
| Croatia | 23 | July | Brigita Švedska, Ivan Cassian, Slobodan |
| Croatia | 4 | August | Ivan M. Vianney, Ivica, Tertulijan |
| Lithuania | 6 | August | Bylotas, Daiva, Karolina |
| Croatia | 13 | August | Poncijan, Hipolit, Ivan Berchmans |
| Croatia | 19 | August | Ivan Eudes |
| Estonia | 22 | August | Iivo, Ivo, Ivar, Ivari, Ivalo |
| Finland | 22 | August | Iivari, Iivo |
| USA | 26 | August | Percival, Percy, Travis, Trevis, Trevon, Trevor |
| Croatia | 29 | August | Glavosijek Ivana Krstitelja, Sabina R. |
| Croatia | 13 | September | Ivan Zlatousti, Ljubo |
| Croatia | 18 | September | Ivan Macias, J. Kupert., Irena |
| Latvia | 23 | September | Ivanda, Omula, Vanda, Veneranda |
| Croatia | 9 | October | Ljudevit Bertran, Dionizije, Ivan Leon |
| Croatia | 23 | October | Ivan Kapistran, Borislav, Severin |
| Latvia | 26 | October | Amanda, Kaiva |
| Croatia | 9 | November | Ivan Lateranski |
| Hungary | 9 | November | Tivadar |
| USA | 9 | November | Orestes, Sullivan, Vaughan, Vaughn |
| Croatia | 14 | November | Nikola Tavelic, Ivan Trogirski |
| Croatia | 4 | December | Ivan Damašcanski, Barbara |
| Croatia | 11 | December | Ivana Franciska Ch. |
| Estonia | 12 | December | Aivar, Aiver, Aivo |
| Croatia | 13 | December | Ivan, Krševan |
| Croatia | 22 | December | Ivan Kentijski, Viktorija |
| Croatia | 26 | December | Ivan ev., Ivo, Janko |
| Slovakia | 28 | December | Ivana |
