Mio: Name day
Name Day List: Mio
Name Day List - similar names (Mio)
| Country | Day | Month | Names |
 Croatia | 9 | January | Julijan, Živko, Miodrag |
 Greece | 20 | January | Thimios, Fabianos, Thyrsi |
 USA | 7 | April | Armand, Armanda, Armando, Armin, Armon, Erma, Herman, Herminia, Hermione, Irma |
 Poland | 12 | April | Andrzej, Iwan, Juliusz, Siemiodrog, Wiktor, Wiktoriusz, Zenon, Zenona |
| Greece | 15 | May | Pahomios |
 Spain | 6 | June | Norberto, Artemio, Amancio, Cándida, Ismael |
| USA | 27 | September | Cosima, Cosimo, Cosmo, Damian, Damiana, Damien, Damion, Damon |
| Croatia | 5 | October | Rajmund of Capua, Flavijan, Miodrag |
| Greece | 20 | October | Artemios, Gerasimos, Diana, Kerasia |
Finland