Júlia's name day is celebrated on May 22 in both Hungary and Slovakia.
Júlia is a classic and elegant feminine name with deep historical roots, primarily originating from the Roman family name "Julius," possibly meaning "youthful" or "downy-bearded." It carries a timeless, sophisticated, and somewhat romantic mood, evoking grace and beauty. This popular name is found across many cultures and languages, particularly in European countries like Hungary, Spain, Portugal, and Slavic regions. Its gentle sound and enduring appeal make it a beloved choice for parents seeking a name that is both established and beautiful.
| Country | Day | Month | Names |
 Latvia | 7 | January | Julians, Rota, Zigmars |
 Poland | 7 | January | Chociesław, Izydor, Julian, Lucjan, Walenty |
 Austria | 9 | January | Adrian, Alice, Eberhard, Julian |
 Denmark | 9 | January | Julianus |
| Poland | 9 | January | Antoni, Bazylissa, Borzymir, Julian, Julianna, Marcelina, Marcjanna |
 Spain | 9 | January | Julián, Pedro Urseolo |
| Austria | 27 | January | Angela, Julian |
| Poland | 27 | January | Angelika, Ilona, Jan Chryzostom, Julian, Przybysław |
| Poland | 28 | January | Agnieszka, Augustyn, Flawian, Ildefons, Julian, Karol, Leonidas, Piotr, Radomir, Roger, Waleriusz |
| Poland | 12 | February | Aleksy, Benedykt, Eulalia, Julian, Laurenty, Modest, Nora, Radzim, Trzebisława |
| Austria | 16 | February | Adalbert, Juliana, Liane, Philippa |
| Denmark | 16 | February | Juliane |
 Hungary | 16 | February | Julianna, Lilla |
| Latvia | 16 | February | Dzuljeta, Juliana, Julija, Smuidra |
 Norway | 16 | February | Jill, Julian, Juliane |
| Poland | 16 | February | Bernard, Dan, Danisz, Danuta, Julianna, Symeon |
 Sweden | 16 | February | Julia, Julius |
| Poland | 17 | February | Donat, Donata, Franciszek, Izydor, Julian, Konstanty, Łukasz, Niegomir, Sylwin, Zbigniew, Zbyszko |
 Ukraine | 4 | March | Ulianna, Julianna |
| Poland | 8 | March | Beata, Filemon, Jan, Julian, Miligost, Miłogost, Stefan, Wincenty |
 Germany | 5 | April | Juliana |
 Estonia | 8 | April | Julia, Juuli, Juulika, Lia, Liana, Liane |
 USA | 8 | April | Gillian, Jill, Jillian, Jolyon, Julia, Julian, Juliana, Julianna, Julianne, Julie, Julien, Juliet, Juliette, Julio, Julissa, Julius |
 Finland | 12 | April | Julia, Julius, Janna, Juliaana, Janni, Juulia, Juuli |
| Poland | 14 | April | Berenike, Julianna, Justyn, Maria, Myślimir, Tyburcjusz, Walerian, Waleriana |
| Poland | 16 | April | Benedykt, Bernadetta, Cecyl, Cecylian, Charyzjusz, Erwin, Erwina, Julia, Ksenia, Lambert, Lamberta, Nikita, Nosisław, Patrycy, Urban |
 Greece | 18 | May | Ioulia, Julia, Julie |
| Austria | 22 | May | Julia, Ortwin, Rita |
| Poland | 22 | May | Emil, Helena, Jan, Julia, Krzesisława, Rita, Wiesław, Wiesława, Wisława |
 Russia | 31 | May | Alexandra, Faina, Julia |
| Russia | 16 | June | Julia |
| Austria | 19 | June | Juliana, Romuald |
| Poland | 19 | June | Borzysław, Gerwazy, Julianna, Odo, Protazy, Sylweriusz |
| Ukraine | 21 | June | Julian, Julius |
| Poland | 4 | July | Ageusz, Alfred, Aurelian, Elżbieta, Innocenta, Innocenty, Józef, Julian, Malwin, Malwina, Odo, Teodor, Wielisław |
| Austria | 21 | July | Daniel, Daniela, Julia, Laurentius |
| Spain | 21 | July | Angelina, Angelines, Lorenza, Daniel, Julia |
| Poland | 27 | July | Alfons, Alfonsyna, Aureli, Julia, Laurenty, Lilla, Marta, Natalia, Natalis, Pantaleon, Rudolf, Rudolfa, Rudolfina, Wszebor |
| Poland | 30 | July | Abdon, Julia, Julita, Ludmiła, Maryna, Ubysław |
| Austria | 2 | August | Eusebius, Julian, Pe |
| Poland | 17 | August | Anastazja, Angelika, Anita, Bertram, Eliza, Jacek, Jaczewoj, Joanna, Julianna, Liberat, Miron, Żanna, Zawisza |
| Poland | 19 | August | Bolesław, Emilia, Jan, Julian, Juliusz, Ludwik, Piotr, Sebald |
| Poland | 2 | September | Absalon, Bohdan, Czech, Czechasz, Czechoń, Czesław, Dersław, Dionizy, Eliza, Henryk, Julian, Stefan, Tobiasz, Wilhelm, Witomysł |
| Poland | 18 | October | Julian, Łukasz, René |
| Poland | 10 | December | Andrzej, Daniel, Judyta, Julia, Maria, Radzisława |
| Poland | 11 | December | Damazy, Daniela, Julia, Stefan, Waldemar, Wojmir |
| Greece | 21 | December | Themistokleous, Ioulia, Julia, Julie |
| Ukraine | 21 | December | Eva, Eve, Julianna, Ulianna |
Slovakia