Erwin: Name day
Name Day List: Erwin
| Country | Day | Month | Names |
 Poland | 19 | January | Andrzej, Bernard, Erwin, Erwina, Eufemia, Henryk, Kanut, Mariusz, Marta, Matylda, Mechtylda, Pia, Racimir, Sara |
| Poland | 16 | April | Benedykt, Bernadetta, Cecyl, Cecylian, Charyzjusz, Erwin, Erwina, Julia, Ksenia, Lambert, Lamberta, Nikita, Nosisław, Patrycy, Urban |
| Poland | 24 | April | Aleksander, Aleksy, Egbert, Erwin, Erwina, Fidelis, Grzegorz, Horacjusz, Horacy |
 Austria | 25 | April | Erwin, Markus |
 USA | 11 | May | Asa, Ervin, Erwin, Irvin, Irving, Irwing, Marlo, Marlon, Marlow, Marvin, Merle, Merlin, Mervin |
| Austria | 29 | May | Erwin, Irmtraud, Maximin |
| Poland | 18 | July | Arnold, Arnolf, Erwin, Erwina, Kamil, Karolina, Robert, Roberta, Szymon, Unisław, Wespazjan |
Name Day List - similar names (Erwin)