Iván's name day is June 24 in Hungary, and June 24 in Spain.
The name Iván is a powerful masculine name, derived from the historic Hebrew Yochanan, meaning “God is gracious.” In the USA, Iván is recognized due to its prevalence among Spanish and Slavic heritage populations, maintaining its identity distinct from the unaccented Ivan. Its history traces back through centuries of European adoption, securing its status as a classical and enduring choice. The mood of Iván is perceived as strong, decisive, and subtly elegant, enhanced by the distinct accented spelling. Gender identification for Iván is universally male across all major language groups where it appears. This established name blends deep historical roots with a sophisticated, timeless tone.
| 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 |
| Croatia | 31 | January | Ivan, Marcela, Julije |
| Croatia | 8 | March | Pačista, Ivan |
| Croatia | 27 | March | Ivan Damašć., Rupert, Lidija, Lada |
 Czechia | 4 | April | Ivana |
| Croatia | 7 | April | Ivan de la Salle, Herman, Epifan |
| Croatia | 10 | May | Ivan Merz, Gospa Trsat |
| Croatia | 16 | May | Ivan Nepomuk, Andrija Bobola, Nenad |
| Croatia | 18 | May | Ivan I. papa, Venancije, Srecko |
 Sweden | 24 | May | Ivan, Vanja |
| Croatia | 30 | May | Ivana Arška |
| Croatia | 10 | June | Margareta, Dijana, Bl. Ivan Dominici |
| Croatia | 12 | June | Ivan Fakundo, Bosiljko, Nino |
| Croatia | 22 | June | Ivan Fisher, Toma More |
| Croatia | 24 | June | Rodenje Ivana Krstitelja |
 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 |
 Slovakia | 8 | July | Ivan |
| Croatia | 23 | July | Brigita Švedska, Ivan Cassian, Slobodan |
| Croatia | 4 | August | Ivan M. Vianney, Ivica, Tertulijan |
| Croatia | 13 | August | Poncijan, Hipolit, Ivan Berchmans |
| Croatia | 19 | August | Ivan Eudes |
| 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 |
| Croatia | 9 | November | Ivan Lateranski |
| 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. |
| Croatia | 13 | December | Ivan, Krševan |
| Croatia | 22 | December | Ivan Kentijski, Viktorija |
| Croatia | 26 | December | Ivan ev., Ivo, Janko |
| Slovakia | 28 | December | Ivana |
Hungary 
Spain