Jozef's name day is March 19 in Slovakia.
Jozef is a name primarily found in Slavic countries like Poland, Slovakia, and Croatia, where it’s a traditional and respected designation. It’s a variant of the Hebrew name Joseph, adapted through linguistic evolution. In the United States, it’s less common, appearing mainly within communities with Eastern European ancestry. The name carries a strong, classic feel, often associated with reliability and integrity. It is overwhelmingly masculine in gender identity, with no significant feminine usage. Jozef evokes a mood of quiet strength and steadfastness, suggesting a thoughtful and reserved personality.
| Country | Day | Month | Names |
 Poland | 4 | February | Andrzej, Gilbert, Jan, Joanna, Józef, Mariusz, Weronika, Witosława |
| Poland | 14 | February | Adolf, Adolfa, Adolfina, Alf, Cyryl, Dobiesława, Dobisława, Józef, Józefa, Konrad, Konrada, Krystyna, Lilian, Liliana, Mikołaj, Niemir, Niemira, Walenty, Zenon, Zenona |
| Poland | 15 | February | Faustyn, Georgia, Georgina, Jordan, Jowita, Józef, Klaudiusz, Przybyrad, Sewer |
| Poland | 28 | February | Chwalibóg, Józef, Makary, Nadbor, Roman |
| Poland | 1 | March | Albin, Antoni, Antonina, Budzisław, Budzisz, Eudokia, Eudoksja, Ewdokia, Feliks, Herakles, Herkules, Jewdocha, Joanna, Józef, Nikifor, Piotr |
| Poland | 12 | March | Bernard, Blizbor, Grzegorz, Józefina, Wasyl |
| Poland | 19 | March | Bogdan, Józef |
| Poland | 17 | April | Anicet, Innocenta, Innocenty, Jakub, Józef, Klara, Radociech, Robert, Roberta, Rudolf, Rudolfa, Rudolfina, Stefan |
| Poland | 1 | May | Aniela, Filip, Jakub, Jeremi, Jeremiasz, Józef, Lubomir |
| Poland | 23 | June | Agrypina, Albin, Bazyli, Józef, Piotr, Prosper, Wanda, Zenon, Zenona |
| Poland | 28 | June | Amos, Ireneusz, Józef, Leon, Paweł, Raissa, Zbrosław |
| Poland | 4 | July | Ageusz, Alfred, Aurelian, Elżbieta, Innocenta, Innocenty, Józef, Julian, Malwin, Malwina, Odo, Teodor, Wielisław |
 Slovakia | 6 | August | Jozefína |
| Poland | 27 | August | Angel, Angelus, Cezary, Gebhard, Józef, Kalasanty, Małgorzata, Przybymir, Rufus, Teodor |
| Poland | 18 | September | Dobrowit, Irena, Irma, Józef, Ryszarda, Stefania, Tytus, Zachariasz |
| Poland | 3 | October | Eustachiusz, Eustachy, Ewald, Gerard, Gerarda, Gerhard, Heliodor, Józefa, Kandyd, Sierosław, Teresa |
| Poland | 14 | November | Aga, Agata, Damian, Elżbieta, Emil, Emiliusz, Jozafat, Józef, Judyta, Kosma, Laurenty, Lewin, Ścibor, Ścibora, Serafin, Wszerad |