Odo’s name day is observed on multiple dates throughout the year. These dates include January 14, June 19, and July 4 in Poland. The date of November 18 is recognized as Odo’s name day across several regions. This includes celebrations in Poland, Austria, and the USA.
Odo is historically a powerful masculine name derived from ancient Germanic elements relating to wealth and prosperity. While its modern usage is rare, particularly in the United States, it holds significant historical gravity in European naming traditions. The name conveys a concise, strong, and antique mood, suggesting a stoic or serious personality. Its history confirms its widespread adoption across early medieval Francia and Germany. Odo remains firmly categorized worldwide as a male given name. This short, robust name offers a profound link to ancient linguistic roots.
| Country | Day | Month | Names |
 Bulgaria | 6 | January | Bogomil, Bogdan, Bogdana, Bozhidar, Bozhidara, Borislav, Borislava, Jordan, Yordan, Yordanka, Nayden, Teodosii |
 Austria | 11 | January | Paulin, Paulinus, Tasso, Theodosius |
| Bulgaria | 11 | January | Bogdan, Bogdana, Bogomil, Bogomila, Teodosii |
 Greece | 11 | January | Theodosios |
 Hungary | 14 | January | Bódog |
| Greece | 17 | January | Antonios, Antonia, Anthony, Tony, Theodosis |
| Greece | 18 | January | Kyrillos, Thanassis, Theodoula |
 Italy | 18 | January | Diodoro |
| Austria | 2 | February | Bodo |
| Hungary | 7 | February | Tódor, Rómeó |
| Italy | 8 | February | Teodoro |
| Greece | 11 | February | Vlassis, Avgi, Theodora |
 Ukraine | 16 | February | Marianna, Theodore |
| Greece | 17 | February | Theodoros, Theodora |
 Poland | 21 | February | Eleonora, Feliks, Fortunat, Kiejstut, Teodor, Wyszeniega |
| Bulgaria | 7 | March | Bozhan, Bozhidar, Bozhidara, Bozhil, Bozhko, Emanuil, Manol, Mancho, Teodor, Teodora, Toto, Todor, Teodor, Todora, Dora, Bogdan, Bogdana |
| Ukraine | 10 | March | Ann, Diodor, Hannah, Isidora |
 Lithuania | 13 | March | Kristina, Liutauras, Teodora, Vaidile |
| Greece | 16 | March | Christodoulos |
| Italy | 26 | March | Emanuele, Teodoro |
| Poland | 26 | March | Emanuel, Feliks, Larysa, Manuela, Nikifor, Teodor, Tworzymir |
| Austria | 30 | March | Amadeus, Dodo |
 Croatia | 1 | April | Hugo, Teodora |
 Latvia | 1 | April | Dagne, Dagnis, Tautmilis, Teodora, Teofils |
| Lithuania | 1 | April | Dainora, Rimgaudas, Teodora |
| Poland | 1 | April | Chryzant, Grażyna, Hugo, Hugon, Katarzyna, Teodora, Tolisław, Zbigniew, Zbyszko |
 Denmark | 2 | April | Theodosius |
 Spain | 17 | April | Rodolfo, Anicéto |
| Poland | 20 | April | Agnieszka, Amalia, Czech, Czechasz, Czechoń, Czesław, Florencjusz, Florenty, Nawoj, Sulpicjusz, Szymon, Teodor |
| Poland | 22 | April | Heliodor, Kajus, Leonia, Leonid, Łukasz, Soter, Strzeżymir, Teodor |
| Spain | 22 | April | Teodoro, Alexander, Apeles |
| Greece | 24 | April | Elizabeth, Lisa, Anastasios, Doukas, Achilles, Orthodox Easter |
| Spain | 29 | April | Teodora, Karen, Katia, Wilfredo, Catalina |
| Greece | 3 | May | Rodopi |
| Ukraine | 3 | May | Theodosey |
| Poland | 5 | May | Irena, Ita, Pius, Teodor, Waldemar, Zdzibor |
| Lithuania | 15 | May | Algedas, Izodorius, Jaunute, Sofija |
| Poland | 20 | May | Anastazy, Asteriusz, Bazyli, Bazylid, Bazylis, Bernardyn, Bernardyna, Bronimir, Iwo, Sawa, Teodor, Wiktoria |
| Greece | 29 | May | Theodosia |
| Poland | 29 | May | Bogusława, Maksymilian, Maria Magdalena, Teodor, Teodozja |
| Spain | 29 | May | Alejandro, Justo, Teodosia |
| Ukraine | 29 | May | Theodosia |
| Poland | 31 | May | Aniela, Bożysława, Ernesta, Ernestyna, Feliks, Petronela, Petronia, Petroniusz, Teodor |
| Ukraine | 7 | June | Theodot |
| Poland | 11 | June | Anastazy, Barnaba, Feliks, Radomił, Teodozja |
| Poland | 21 | June | Albaniusz, Alicja, Alojza, Alojzy, Demetria, Domamir, Marta, Rudolf, Rudolfa, Rudolfina, Teodor |
| Spain | 21 | June | Luis, Demetria, Terencio, Raul, Gina, Koldo, Rodolfo |
 USA | 1 | July | Aaron, Aron, Arron, Derek, Derica, Derick, Derik, Derrick, Derris, Derry, Dirk, Inga, Ingrid, Theodoric |
| Spain | 2 | July | Visitación, Martiniano, Vidal, Teodorico, Teobaldo |
| Spain | 3 | July | Tomás, Heliodoro, Jacinto, Amable, Enrique |
| Lithuania | 4 | July | Gedgaile, Malvina, Skalvis, Teodoras |
| Spain | 7 | July | Fermín, Roberto, Odón, Germano, Peregrino |
 France | 21 | July | Rodolphe, Térence, Victor |
| Ukraine | 8 | August | Amelia, Amilian, Emil, Emily, Fedir, Theodore, Leonid |
| Poland | 27 | August | Angel, Angelus, Cezary, Gebhard, Józef, Kalasanty, Małgorzata, Przybymir, Rufus, Teodor |
| Denmark | 4 | September | Theodosia |
| Greece | 11 | September | Evathia, Eve, Theodora |
| Hungary | 11 | September | Teodóra |
| Ukraine | 11 | September | Fialka, Theodora, Violet |
| Poland | 17 | September | Ariadna, Dezyderiusz, Drogosław, Franciszek, Hildegarda, Justyn, Justyna, Lambert, Lamberta, Narcyz, Teodora |
| Poland | 19 | September | Alfons, Alfonsyna, January, Konstancja, Sydonia, Teodor, Więcemir |
| Poland | 23 | September | Boguchwała, Bogusław, Libert, Minodora, Tekla |
| Poland | 24 | September | Gerard, Gerarda, Gerhard, Maria, Teodor, Tomir, Uniegost |
| Poland | 3 | October | Eustachiusz, Eustachy, Ewald, Gerard, Gerarda, Gerhard, Heliodor, Józefa, Kandyd, Sierosław, Teresa |
| USA | 17 | October | Brad, Braden, Bradford, Bradley, Brady, Braeden, Brayden, Braydon, Rodolfo, Rudi, Rudolf, Rudolph, Rudolphine, Rudy |
 Czechia | 23 | October | Teodor |
| Poland | 23 | October | Iga, Ignacja, Ignacy, Jan, Marlena, Odilla, Roman, Seweryn, Teodor, Włościsław, Żegota |
| Poland | 25 | October | Bończa, Bonifacy, Chryzant, Daria, Inga, Kryspin, Maur, Sambor, Taras, Teodozjusz, Wilhelmina |
| USA | 27 | October | Cale, Caleb, Feodor, Isaac, Isaak, Issac, Izaac, Kaleb, Ted, Teddy, Teodor, Theodora, Theodore |
| Poland | 29 | October | Euzebia, Franciszek, Longin, Longina, Lubogost, Narcyz, Teodor, Wioletta |
| Austria | 9 | November | Herfried, Roland, Theodor |
| Denmark | 9 | November | Theodor |
 Estonia | 9 | November | Teo, Teodor, Tuudor |
| France | 9 | November | Maturin, Théodore |
 Germany | 9 | November | Theodor |
| Latvia | 9 | November | Teodors |
| Lithuania | 9 | November | Dargintas, Estela, Skirtaute, Teodoras |
 Norway | 9 | November | Teodor, Tordis |
| Poland | 9 | November | Bogudar, Genowefa, Nestor, Teodor, Ursyn |
 Slovakia | 9 | November | Teodor |
| Spain | 9 | November | Teodoro |
 Sweden | 9 | November | Teodor, Teodora |
| Poland | 11 | November | Anastazja, Bartłomiej, Maciej, Marcin, Prot, Spycisław, Teodor |
| Spain | 14 | November | Teodoto, Clemente |
| Hungary | 16 | November | Ödön |
| Austria | 13 | December | Jodok, Lucia, Odilia |