Damian: Name day
Name Day List: Damian
| Country | Day | Month | Names |
 Poland | 23 | February | Bądzimir, Damian, Florentyn, Łazarz, Piotr, Roma, Romana, Seweryn |
 Austria | 15 | April | Anastasia, Damian, Una |
 Greece | 1 | July | Kosmas, Damianos, Damian |
| Poland | 14 | July | Bonawentura, Damian, Dobrogost, Franciszek, Izabela, Kosma, Marceli, Marcelin, Marcelina, Stella, Ulrych, Ulryk, Ulryka |
| Austria | 26 | September | Cosima, Damian, Kosmas |
| Poland | 27 | September | Amadeusz, Amedeusz, Damian, Kosma, Przedbor, Urban |
 USA | 27 | September | Cosima, Cosimo, Cosmo, Damian, Damiana, Damien, Damion, Damon |
| Poland | 14 | November | Aga, Agata, Damian, Elżbieta, Emil, Emiliusz, Jozafat, Józef, Judyta, Kosma, Laurenty, Lewin, Ścibor, Ścibora, Serafin, Wszerad |
Name Day List - similar names (Damian)
Spain 
Italy