Eno's name day is January 19 in Estonia.
Eno is a name primarily associated with Estonia and Finland, originating as a shortened form of names like Enn or Eino. It’s a relatively rare name in the United States, but its usage is slowly increasing, particularly for boys. The name carries connotations of peace and tranquility, stemming from its linguistic roots. Eno evokes a sense of quiet strength and modern simplicity, making it an appealing choice for parents seeking a unique name. It is predominantly masculine, though some modern trends suggest a slight move towards unisex usage. Its understated nature and memorable sound contribute to its growing appeal.
| 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 |
 Romania | 26 | January | Arcadie, Ioan, Iosif, Maria, Xenofont |
 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 |
| Romania | 30 | October | Zenovia, Zenovie |
| 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 |