Štefan's name day is celebrated on October 9 in Czechia and December 26 in Slovakia.
Štefan is the definitive Slavic form of Stephen, stemming from the Greek word meaning "crown" or "garland." While seldom found in the USA, this traditionally male name is immensely popular across Central and Eastern Europe, where it carries significant historical weight. The name evokes a strong, regal, and traditional mood, suggesting dignity and established reliability. Its robust character and historical association with royalty have ensured its enduring appeal for centuries. This masculine designation is consistently used worldwide, preserving a long and honorable lineage rooted in victory and honor.
| Country | Day | Month | Names |
 Lithuania | 2 | January | Fulgentas, Gailute, Marvydas, Stefanija |
| Lithuania | 11 | January | Audrius, Marcijonas, Stefanija, Vilne |
 Poland | 3 | February | Błażej, Hipolit, Hipolita, Laurencjusz, Maksym, Oskar, Stefan, Telimena, Uniemysł, Wawrzyniec |
| Poland | 8 | March | Beata, Filemon, Jan, Julian, Miligost, Miłogost, Stefan, Wincenty |
| Poland | 17 | April | Anicet, Innocenta, Innocenty, Jakub, Józef, Klara, Radociech, Robert, Roberta, Rudolf, Rudolfa, Rudolfina, Stefan |
 Latvia | 8 | May | Aiga, Ceronis, Inita, Stanislavs, Stefanija |
| Poland | 16 | July | Andrzej, Benedykt, Dziersław, Dzierżysław, Eustachiusz, Eustachy, Faust, Maria Magdalena, Marika, Ostap, Ruta, Stefan |
| Latvia | 2 | August | Norma, Normunds, Stefans |
| Poland | 2 | August | Alfons, Alfonsyna, Borzysława, Gustaw, Ilia, Karina, Maria, Stefan |
| Poland | 6 | August | Felicysym, Jakub, January, Sława, Stefan, Sykstus, Wincenty |
 Slovakia | 7 | August | Štefánia |
| Poland | 15 | August | Maria, Napoleon, Stefan, Stella, Trzebimir |
 Austria | 16 | August | Alfried, Rochus, Stefan |
 Italy | 16 | August | Stefano di Ungheria |
| Poland | 2 | September | Absalon, Bohdan, Czech, Czechasz, Czechoń, Czesław, Dersław, Dionizy, Eliza, Henryk, Julian, Stefan, Tobiasz, Wilhelm, Witomysł |
| Lithuania | 18 | September | Galmante, Mingailas, Stefa, Stefanija |
| Poland | 18 | September | Dobrowit, Irena, Irma, Józef, Ryszarda, Stefania, Tytus, Zachariasz |
| Poland | 7 | October | Amalia, Justyna, Marek, Maria, Rościsława, Stefan, Tekla |
| Poland | 10 | November | Andrzej, Lena, Leon, Ludomir, Nelly, Nimfa, Probus, Stefan |
 Hungary | 28 | November | Stefánia |
| Poland | 11 | December | Damazy, Daniela, Julia, Stefan, Waldemar, Wojmir |
 Denmark | 26 | December | Stefan |
| Italy | 26 | December | Stefano |
 Norway | 26 | December | Stefan, Steffen |
 Sweden | 26 | December | Staffan, Stefan |
 USA | 26 | December | Esteban, Estefania, Estefany, Estevan, Stefan, Stefanie, Stephan, Stephanie, Stephany, Stephen, Steve, Steven, Stevie |
 Bulgaria | 27 | December | Venci, Vencislav, Vencislava, Zapryan, Sonya, Stamen, Stanimir, Stanka, Stefan, Stefana, Stefaniya, Stefka, Stoil, Stoimen, Stoichko, Stojko, Stoyan, Stoyanka, Tanya, Tsanka, Tsanko, Tsonka, Tsonyu |
 Greece | 27 | December | Stefanos, Stefania, Stephania, Stephan, Steven |
Czechia