Prot: Name day
Name Day List: Prot
| Country | Day | Month | Names |
 Poland | 11 | September | Feliks, Jacek, Jan, Naczesław, Prot |
| Poland | 11 | November | Anastazja, Bartłomiej, Maciej, Marcin, Prot, Spycisław, Teodor |
Name Day List - similar names (Prot)
| Country | Day | Month | Names |
 Spain | 6 | May | Domingo, Evodio, Protógenes, Judith |
| Poland | 19 | June | Borzysław, Gerwazy, Julianna, Odo, Protazy, Sylweriusz |
| Poland | 4 | August | Alfred, Arystarch, Dominik, Maria, Mironieg, Protazy |
 Lithuania | 2 | September | Ingrida, Protenis, Steponas, Vilgaude |
| Poland | 24 | November | Dobrosław, Emilia, Emma, Flora, Franciszek, Gerard, Gerarda, Gerhard, Jan, Mina, Pęcisław, Protazy |