Erno: Name day
Name Day List: Erno
Name Day List - similar names (Erno)
| Country | Day | Month | Names |
 Hungary | 12 | January | Ernő |
 Austria | 10 | April | Ezechiel, Gernot, Holda |
 USA | 11 | April | Alger, Algernon, Ari, Ariel, Arielle, Arion, Leo, Leon, Leonel, Leona, Leontine, Lionel |
| USA | 27 | April | Laverne, Sam, Samantha, Samara, Sami, Sammy, Samuel, Samuela, Ulises, Ulysses, Vern, Verna, Verne, Vernon, Zita |
 Italy | 5 | September | Vittorino di Amiterno |
 Poland | 4 | December | Barbara, Berno, Biernat, Chrystian, Hieronim, Krystian, Piotr |
Estonia 
Finland