Oles: Name day
Name Day List: Oles
Name Day List - similar names (Oles)
| Country | Day | Month | Names |
 Slovakia | 16 | March | Boleslav |
 Latvia | 21 | March | Benedikts, Boleslavs, Dzelme, Glezna, Una |
 Poland | 22 | July | Albin, Bolesława, Bolisława, Laurencjusz, Maria Magdalena, Milenia, Pankracy, Wawrzyniec, Więcemiła |
 Lithuania | 19 | August | Argaudas, Balys, Boleslovas, Tolvina |
| Poland | 19 | August | Bolesław, Emilia, Jan, Julian, Juliusz, Ludwik, Piotr, Sebald |
| Latvia | 24 | August | Bertolds, Bertrams, Berts, Bertulis, Boleslavs |
 Czechia | 6 | September | Boleslav |
Ukraine