The name Eno observes its designated name day on January 19th in Estonia.
The name Eno presents a concise, strong identity that is increasingly recognized as globally unisex, though it often skews masculine in some regions. Its history in the USA shows it as an uncommon, intriguing choice, valued for its unique sound and brevity in modern trends. Linguistically, it suggests ancient origins potentially relating to concepts of strength, endurance, or nobility. The name evokes a distinct minimalist mood, projecting a vibe that is both intellectual and subtly futuristic. This short, two-syllable structure provides an approachable alternative to longer names while maintaining a memorable and impactful presence.
| Country | Day | Month | Names |
 Austria | 3 | January | Genoveva, Odilio |
 Croatia | 3 | January | Isusovo, Genoveva, Cvijeta |
 Denmark | 3 | January | Enoch |
 Greece | 3 | January | Genovefa, Genevieve |
 Hungary | 3 | January | Genovéva, Benjámin |
 Lithuania | 3 | January | Genovaite, Vida, Viltautas |
 Poland | 3 | January | Arletta, Dan, Danisz, Danuta, Enoch, Genowefa, Piotr, Włościsława |
 Spain | 3 | January | Daniel, Genova, Genoveva, Jennifer, Florencio, Prisciliano |
 Italy | 4 | January | Genoveffa |
 USA | 22 | January | Enoch, Piper, Vicenta, Vicente, Vince, Vincent, Vincentia, Vincenzo, Vinnie |
 Estonia | 23 | January | Rene, Reeno, Räni, Ramon |
| Greece | 26 | January | Xenofontos |
 Ukraine | 30 | January | Gregory, Zenon, Zenonia, Zenia |
| Poland | 8 | February | Gniewomir, Gniewosz, Honorat, Jan, Ksenofont, Lucjusz, Paweł, Piotr, Salomon, Sebastian, Żaklina |
| Poland | 14 | February | Adolf, Adolfa, Adolfina, Alf, Cyryl, Dobiesława, Dobisława, Józef, Józefa, Konrad, Konrada, Krystyna, Lilian, Liliana, Mikołaj, Niemir, Niemira, Walenty, Zenon, Zenona |
 France | 3 | March | Guénolé, Marin |
 Bulgaria | 10 | March | Galin, Galina, Galya, Galyo, Genoveva |
| Lithuania | 5 | April | Irena, Rimvydas, Zenius, Zenonas, Zyginte |
| Austria | 12 | April | Herta, Julius, Zeno |
| Bulgaria | 12 | April | Vencislav, Vencislava, Violeta, Varban, Girgin, Girgina, Dilyan, Dilyana, Zdravka, Zdravko, Latinka, Lilyana, Margarita, Nevena, Roza, Rosen, Rosica, Trendafil, Trendafilka, Tsvetan, Tsveta, Tsvetanka, Tsviatko, Tseno, Stanislav, Stanislava |
| Italy | 12 | April | Zenone |
| Poland | 12 | April | Andrzej, Iwan, Juliusz, Siemiodrog, Wiktor, Wiktoriusz, Zenon, Zenona |
| Spain | 12 | April | Andrés, Damián, Julio, Zenón |
| Bulgaria | 6 | May | Georgi, Georgiya, Gergana, Gyuro, Galin, Galina, Galya, Ganka, Gancho, Genko, Genoveva, Gergin, Gergana, Gergina, Ginka, Zhorzh |
| Croatia | 24 | May | Marija Pom., Prijenos sv. Dom. |
 Latvia | 10 | June | Anatols, Bitite, Genoveva, Malva, Merida |
 Finland | 15 | June | Viena, Vieno, Mona, Vieno |
| Poland | 16 | June | Alina, Aneta, Benon, Budzimir, Jan, Justyna, Ludgarda |
| Poland | 22 | June | Achacjusz, Achacy, Agenor, Alban, Broniwoj, Flawiusz, Innocenta, Innocenty, Kirył, Paulina |
| Lithuania | 23 | June | Arvydas, Vaida, Vanda, Zenonas |
| Poland | 23 | June | Agrypina, Albin, Bazyli, Józef, Piotr, Prosper, Wanda, Zenon, Zenona |
| France | 25 | June | Aliénor, Eléonore, Prosper, Salomon |
| Spain | 5 | July | Filomena, Filomeno, Zoa |
| Poland | 9 | July | Anatolia, Heloiza, Hieronim, Łucja, Lucja, Ludwika, Lukrecja, Mikołaj, Patrycjusz, Weronika, Wszebąd, Zenon, Zenona |
| France | 11 | July | Benoit, Olga, Yolande |
| Hungary | 13 | July | Jenő |
| Latvia | 9 | August | Gedimins, Genoveva, Madara, Tautgodis |
| Estonia | 21 | August | Sven, Sveno |
| Poland | 3 | September | Antoni, Bartłomiej, Bazylissa, Bronisław, Bronisz, Erazma, Eufemia, Eufrozyna, Izabela, Jan, Joachim, Joachima, Manswet, Mojmir, Szymon, Wincenty, Zenon, Zenona |
| Poland | 30 | October | Alfons, Alfonsyna, Angel, Angelus, Edmund, Klaudiusz, Przemysław, Sądosław, Zenobia |
| USA | 30 | October | Arilda, Xena, Xenia, Ximena, Zena, Zenas, Zenia, Zeno, Zenobia |
| Poland | 9 | November | Bogudar, Genowefa, Nestor, Teodor, Ursyn |
| Hungary | 18 | November | Jenő |
| Greece | 23 | November | Elenos |
| Italy | 4 | December | Giovanni Damasceno |
| Lithuania | 8 | December | Gedminte, Guntilda, Vaidginas, Zenonas |
| Croatia | 21 | December | Honorat, Caslav, Zenon |
| Hungary | 22 | December | Zénó |
| Lithuania | 22 | December | Dobile, Gedvydas, Ksavera, Zenonas |
| Poland | 22 | December | Beata, Drogomir, Flawian, Franciszka, Gryzelda, Honorata, Ksawera, Ksaweryna, Zenon, Zenona |
| Poland | 24 | December | Ada, Adam, Adamina, Adela, Ewa, Ewelin, Ewelina, Godzisława, Grzegorz, Grzymisława, Hermina, Herminia, Irma, Irmina, Zenobiusz |