Augustyn: Name day
Name Day List: Augustyn
| Country | Day | Month | Names |
 Poland | 28 | January | Agnieszka, Augustyn, Flawian, Ildefons, Julian, Karol, Leonidas, Piotr, Radomir, Roger, Waleriusz |
| Poland | 29 | April | Angelina, Augustyn, Bogusław, Hugo, Hugon, Paulin, Piotr, Rita, Robert, Roberta, Sybilla |
| Poland | 19 | May | Augustyn, Celestyn, Iwo, Mikołaj, Pękosław, Piotr, Potencjana |
| Poland | 28 | May | Augustyn, German, Jaromir, Priam, Wiktor, Wiktoriusz, Wilhelm, Wrócimir |
| Poland | 28 | August | Adelina, Aleksander, Aleksy, Augustyn, Patrycja, Sobiesław, Stronisław |
Name Day List - similar names (Augustyn)
Czechia 
Slovakia