Dag: Name day
Name Day List: Dag
Name Day List - similar names (Dag)
| Country | Day | Month | Names |
 Norway | 2 | January | Dagfinn, Dagfrid |
 Latvia | 8 | March | Dagmara, Marga, Margita |
| Latvia | 1 | April | Dagne, Dagnis, Tautmilis, Teodora, Teofils |
| Latvia | 5 | April | Mirjama, Vidaga, Vija, Virdzinija |
 Austria | 24 | May | Dagmar, Esther |
| Latvia | 1 | August | Albina, Albins, Dags, Jarmuts, Spekonis |
 Sweden | 11 | September | Dagny, Helny |
| Norway | 27 | September | Dagmar, Dagrun |
| Sweden | 27 | September | Dagmar, Rigmor |
| Latvia | 3 | November | Dagnija, Erika |
 Estonia | 26 | November | Dagmar, Tamaara, Maara, Maare |
 Lithuania | 12 | December | Dagmara, Gilmintas, Vaingede |
 Poland | 12 | December | Adelajda, Aleksander, Dagmara, Paramon, Suliwoj |
 Czechia | 20 | December | Dagmar |
 Slovakia | 20 | December | Dagmara |
| Poland | 23 | December | Dagobert, Mina, Sławomir, Sławomira, Wiktoria |