The name Julián holds a special observance for its name day on January 9 in Spain.
Julián is a distinctly masculine name of Latin origin, derived from the Roman family name Julianus, often conveying a connection to the ancient Julian clan. In the USA, this spelling is primarily used within Spanish-speaking communities, contributing significantly to its steady popularity ranking. The name carries a strong historical legacy, blending sophistication with an approachable and romantic mood. Its history traces back through centuries of use across European cultures, maintaining its traditional male gender identity. Julián projects an elegant tone, reflecting refinement and classical charm and strength.
| 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 |
| 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 |
| 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 |
 USA | 8 | April | Gillian, Jill, Jillian, Jolyon, Julia, Julian, Juliana, Julianna, Julianne, Julie, Julien, Juliet, Juliette, Julio, Julissa, Julius |
| Poland | 14 | April | Berenike, Julianna, Justyn, Maria, Myślimir, Tyburcjusz, Walerian, Waleriana |
| 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 | 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 |
| Ukraine | 21 | December | Eva, Eve, Julianna, Ulianna |
Spain