Marc's name day is April 25 in Bulgaria, France, and the USA.
Marc is a strong, classic masculine name with Latin origins, derived from Mars, the Roman god of war, suggesting a courageous and determined spirit. This robust name carries a tone of reliability and understated strength, often associated with leaders and those who are grounded. Its widespread use across many cultures, particularly in Western countries, speaks to its enduring appeal and versatile nature. Marc embodies a sense of purpose and capability, a name that feels both familiar and commanding. It evokes a balanced blend of resilience and approachability.
| Country | Day | Month | Names |
 Hungary | 9 | January | Marcell |
 Lithuania | 9 | January | Algis, Bazile, Gabija, Marcijona |
 Poland | 9 | January | Antoni, Bazylissa, Borzymir, Julian, Julianna, Marcelina, Marcjanna |
 Spain | 10 | January | Gonzalo, Marciano, Alda, Aldo, Vilma, Hortensia |
| Lithuania | 11 | January | Audrius, Marcijonas, Stefanija, Vilne |
| Spain | 15 | January | Mauro, Raquel, Marcelo |
 Austria | 16 | January | Dietwald, Marcellus, Tilman |
 Croatia | 16 | January | Marcel, Oton, Mislav |
 Denmark | 16 | January | Marcellus |
 France | 16 | January | Marcel |
| Lithuania | 16 | January | Marcelis, Norgailas, Norgaile |
| Poland | 16 | January | Marcel, Waleriusz, Włodzimierz |
 Italy | 17 | January | Marcello I |
| Poland | 21 | January | Agnieszka, Epifani, Jarosław, Jarosława, Jerosława, Marcela |
| Poland | 30 | January | Adelajda, Feliks, Gerard, Gerarda, Gerhard, Hiacynta, Maciej, Marcin, Martyna, Sebastian |
| Austria | 31 | January | Johannes, Marcella |
| Croatia | 31 | January | Ivan, Marcela, Julije |
| France | 31 | January | Marcelle |
 Germany | 31 | January | Marcella |
| Hungary | 31 | January | Marcella |
| Lithuania | 31 | January | Astra, Budvile, Marcele, Skirmantas |
| Poland | 31 | January | Cyrus, Euzebiusz, Jan, Ksawery, Ludwik, Marceli, Marcelin, Marcelina, Piotr, Spycigniew, Wirgiliusz |
| Poland | 19 | February | Arnold, Arnolf, Bądzisława, Gabin, Henryk, Konrad, Konrada, Leoncjusz, Manswet, Marceli |
| Lithuania | 2 | March | Dautara, Eitautas, Elena, Marcelinas |
| Poland | 10 | March | Aleksander, Bożysław, Cyprian, Makary, Marceli, Porfirion |
| Spain | 19 | March | José, Marcos, Josefa |
| France | 6 | April | Marcellin |
| Poland | 9 | April | Dobrosława, Dymitr, Maja, Marceli, Matron |
| Austria | 19 | April | Gerold, Leo, Marcel |
| Croatia | 20 | April | Janja, Marcijan |
 Czechia | 20 | April | Marcela |
| Lithuania | 20 | April | Agne, Eisvyde, Gostautas, Marcijonas |
 Slovakia | 20 | April | Marcel |
| Denmark | 25 | April | Marcus |
| Italy | 25 | April | Marco |
 Norway | 25 | April | Marcus, Mark, Markus |
| Spain | 25 | April | Antonio, Antonieta, Marco, Marcia, Erminío, Herminío |
| Croatia | 26 | April | Kleto, Marcelin, Višnja |
| Italy | 26 | April | Marcellino |
| Poland | 26 | April | Artemon, Klaudiusz, Klet, Marcelin, Marcelina, Maria, Marzena, Spycimir |
| Spain | 26 | April | Basilio, Marcelino, Engracia, Isidoro |
 USA | 26 | April | Clarence, DeMarco, Demarcus, Demario |
| Austria | 2 | June | Armin, Erasmus, Marcel, Petrus |
| Croatia | 2 | June | Marcelin, Petar, Bl. Sadok, Eugen |
| Denmark | 2 | June | Marcellinus |
| Poland | 2 | June | Efrem, Erazm, Eugeniusz, Marcelin, Maria, Marianna, Mikołaj, Nicefor, Piotr, Racisław |
| Spain | 2 | June | Erasmo, Marcelino, Blandina, Edelmira, Ausonia |
| Lithuania | 5 | June | Kantautas, Kantvyde, Marce |
| Spain | 5 | June | Eloisa, Marcia, Igor, Valeria, Nicanor, Doroteo, Bonifacio |
| Poland | 17 | June | Adolf, Adolfa, Adolfina, Agnieszka, Alf, Drogomysł, Franciszek, Laura, Marcjan, Radomił, Rainer, Wolmar |
| Croatia | 18 | June | Marko, Marcelijan, Ljubomir |
| Spain | 18 | June | Justo, Marceliano, Marina |
| Spain | 28 | June | Marcela |
| Poland | 30 | June | Alpinian, Ciechosława, Cyryl, Emilia, Lucyna, Marcjal |
| Spain | 30 | June | Marcial, Leonila |
| Poland | 14 | July | Bonawentura, Damian, Dobrogost, Franciszek, Izabela, Kosma, Marceli, Marcelin, Marcelina, Stella, Ulrych, Ulryk, Ulryka |
| Spain | 16 | July | Carmen, Marcelina, Generosa |
| France | 17 | July | Arlette, Charlotte, Marcelline |
| Poland | 17 | July | Aleksander, Aleksy, Andrzej, Bogdan, Dzierżykraj, Januaria, Julietta, Leon, Marceli, Marcelina, Maria Magdalena |
| Poland | 28 | July | Innocenta, Innocenty, Marcela, Pantaleon, Samson, Świętomir, Wiktor, Wiktoriusz |
 Ukraine | 1 | August | Marcel, Salome |
| Hungary | 14 | August | Marcell |
 Greece | 15 | August | Mary, Marcy, Maria, Despina, Marios, Panagiotis, Panagiota, Simela, Crystal |
| Slovakia | 15 | August | Marcela |
| Italy | 7 | October | Marco |
| Poland | 8 | October | Artemon, Bryda, Brygida, Demetriusz, Laurencja, Marcin, Pelagia, Pelagiusz, Symeon, Wojsława |
| Czechia | 12 | October | Marcel |
| Poland | 24 | October | Antoni, Boleczest, Filip, Hortensja, Marcin, Rafaela, Rafał, Salomon |
| Croatia | 30 | October | Marcel, Marojko, Lukan, German |
 Latvia | 10 | November | Erasts, Marcis, Martins |
| Poland | 11 | November | Anastazja, Bartłomiej, Maciej, Marcin, Prot, Spycisław, Teodor |
| Poland | 12 | November | Cibor, Czcibor, Izaak, Jonasz, Jozafat, Konradyn, Konradyna, Krystyn, Marcin, Renat, Renata, Witold, Witołd, Witolda |
| Italy | 28 | November | Giacomo della Marca |
| Poland | 7 | December | Agaton, Ambroży, Marcin, Ninomysł |
| Poland | 29 | December | Domawit, Dominik, Gosław, Jonatan, Marcin, Tomasz, Trofim |
Bulgaria