Justyna: Name day
Name Day List: Justyna
| Country | Day | Month | Names |
 Poland | 14 | June | Bazylid, Bazylis, Eliza, Justyn, Justyna, Ninogniew, Walerian, Waleriana |
| Poland | 16 | June | Alina, Aneta, Benon, Budzimir, Jan, Justyna, Ludgarda |
| Poland | 13 | July | Ernest, Ernestyn, Eugeniusz, Irwin, Jakub, Justyna, Małgorzata, Radomiła |
| Poland | 5 | September | Dorota, Herakles, Herkulan, Herkules, Justyna, Laurencjusz, Stronisława, Wawrzyniec |
| Poland | 17 | September | Ariadna, Dezyderiusz, Drogosław, Franciszek, Hildegarda, Justyn, Justyna, Lambert, Lamberta, Narcyz, Teodora |
| Poland | 26 | September | Cyprian, Euzebiusz, Justyna, Łękomir |
| Poland | 7 | October | Amalia, Justyna, Marek, Maria, Rościsława, Stefan, Tekla |
| Poland | 30 | November | Andrzej, Justyna, Konstanty, Maura, Zbysława |
Name Day List - similar names (Justyna)
Czechia