Antoni has a remarkably high number of recognized name days in Poland, occurring across nearly every season of the year. Celebrations are observed multiple times in January, March, April, June, July, and October. Additional dates are marked in February, September, November, and December. The full list includes January 9, 12, and 17, February 6, March 1 and 28, April 3 and 10, June 7 and 13, July 5, 7, and 24, September 3, October 24 and 31, November 7, and December 28. This extensive calendar highlights the name's significant cultural importance in the region.
Antoni is a male given name originating from the ancient Roman family name Antonius, typically interpreted to mean "priceless" or "flourishing." While less prevalent in the USA than the Anglo-Saxon variant Anthony, Antoni retains a dignified presence, often utilized by families preserving Slavic or Mediterranean heritage. Historically, its appearance in the US is linked to various waves of European migration. This appellation carries a mood that is classically elegant and strong, projecting an air of Continental sophistication. It is strictly identified globally as a traditional masculine name. The name's historical depth ensures its continued use as a refined choice.
| Country | Day | Month | Names |
 Poland | 9 | January | Antoni, Bazylissa, Borzymir, Julian, Julianna, Marcelina, Marcjanna |
| Poland | 12 | January | Antoni, Arkadiusz, Arkady, Benedykt, Czech, Czechasz, Czechoń, Czesław, Czesława, Ernest, Ernestyn, Greta, Reinhold, Tycjan |
| Poland | 17 | January | Antoni, Jan, Rościsław |
| Poland | 6 | February | Angel, Angelus, Antoni, Bogdana, Bohdan, Bohdana, Dorota, Ksenia, Szymon, Tytus |
| Poland | 1 | March | Albin, Antoni, Antonina, Budzisław, Budzisz, Eudokia, Eudoksja, Ewdokia, Feliks, Herakles, Herkules, Jewdocha, Joanna, Józef, Nikifor, Piotr |
| Poland | 28 | March | Aniela, Antoni, Jan, Krzesisław, Sykstus |
| Poland | 3 | April | Antoni, Cieszygor, Jakub, Pankracy, Ryszard |
| Poland | 10 | April | Antoni, Apoloniusz, Daniel, Ezechiel, Grodzisław, Henryk, Makary, Małgorzata, Michał, Pompejusz |
| Poland | 7 | June | Antoni, Ciechomir, Jarosław, Lukrecja, Paweł, Robert, Roberta, Wiesław, Wisław |
| Poland | 13 | June | Antoni, Chociemir, Herman, Lucjan, Maria Magdalena, Tobiasz |
| Poland | 5 | July | Antoni, Bartłomiej, Filomena, Jakub, Karolina, Michał, Przybywoj, Szarlota, Wilhelm |
| Poland | 7 | July | Antoni, Benedykt, Cyryl, Estera, Kira, Metody, Piotr, Pompejusz, Sędzisława, Wilibald |
| Poland | 24 | July | Antoni, Kinga, Krystyna, Kunegunda, Olga, Wojciecha |
| Poland | 3 | September | Antoni, Bartłomiej, Bazylissa, Bronisław, Bronisz, Erazma, Eufemia, Eufrozyna, Izabela, Jan, Joachim, Joachima, Manswet, Mojmir, Szymon, Wincenty, Zenon, Zenona |
| Poland | 24 | October | Antoni, Boleczest, Filip, Hortensja, Marcin, Rafaela, Rafał, Salomon |
| Poland | 31 | October | Alfons, Alfonsyna, Antoni, Antonina, August, Augusta, Godzimir, Godzisz, Lucylla, Łukasz, Saturnin, Saturnina, Urban, Wolfgang |
| Poland | 7 | November | Achilles, Antoni, Engelbert, Florentyn, Melchior, Przemił |
| Poland | 28 | December | Antoni, Dobrowiest, Emma, Godzisław, Teofila |
| Country | Day | Month | Names |
 Slovakia | 6 | January | Antónia, Traja králi |
 Estonia | 12 | January | Antonia, Ande, Tooni |
 Austria | 17 | January | Antonius, Beatrix |
 Bulgaria | 17 | January | Andon, Anton, Antonia, Dona, Doncho, Donka |
 Denmark | 17 | January | Antonius |
 Greece | 17 | January | Antonios, Antonia, Anthony, Tony, Theodosis |
 Hungary | 17 | January | Antal, Antónia |
 Spain | 17 | January | Alba, Antonio, Mariana, Mariano, Alfredo |
 USA | 17 | January | Anthony, Antoine, Antoinette, Anton, Antonia, Antonio, Antony, Antwan, Ben, Benita, Benito, Benjamin, Bennie, Benny, Toni, Tony |
 Russia | 14 | March | Antonina |
| Spain | 25 | April | Antonio, Antonieta, Marco, Marcia, Erminío, Herminío |
| Poland | 3 | May | Aleksander, Antonina, Maria, Mariola, Świętosława |
| Austria | 6 | May | Antonia, Britto, Gundula |
 Italy | 10 | May | Antonino |
| Poland | 10 | May | Antonin, Częstomir, Izydor, Jan, Symeon, Wiktoryna |
| Bulgaria | 10 | June | Antonina |
 Ukraine | 10 | June | Antonina, Antonia |
 Czechia | 12 | June | Antonie |
| Poland | 12 | June | Antonina, Bazyli, Jan, Leon, Onufry, Wyszemir |
| Austria | 13 | June | Antonius, Bernhard |
| Czechia | 13 | June | Antonín |
| Italy | 13 | June | Antonio da Padova |
| Spain | 13 | June | Antonio de Padua, Antonia, Joel, Andoni |
| Russia | 23 | June | Alexandra, Antonina |
| Austria | 5 | July | Albrecht, Antonius, Letizia |
| Italy | 5 | July | Antonio Maria Zaccaria |
 Sweden | 17 | October | Antonia, Toini |
| Italy | 24 | October | Antonio Maria Claret |
| Spain | 24 | October | Antonio María Claret |
 Latvia | 28 | October | Antonina, Nina, Ninona, Zemgals |
| Latvia | 7 | December | Anta, Antonija, Dzirkstite, Tonija |