Felik's name day is celebrated on January 14th in Croatia.
Felik is a name primarily found in Eastern European countries, particularly Poland and Croatia, though it’s relatively rare in the United States. It originates as a variant of the Latin name Felix, meaning ‘lucky’ or ‘successful.’ Historically, its usage has been tied to regional cultural trends and migration. The name is overwhelmingly masculine, carrying a sense of quiet strength and reliability. Its mood evokes understated charm and a timeless quality. While not widely popular, Felik offers a unique and distinctive identity.
| Country | Day | Month | Names |
 Poland | 11 | January | Feliks, Hilary, Honorata, Hygin, Krzesimir, Matylda, Mechtylda |
 Estonia | 14 | January | Feliks, Õnneleid |
 Lithuania | 14 | January | Aukse, Feliksas, Hilarijus, Laimis |
| Poland | 14 | January | Feliks, Hilary, Odo, Radogost |
 Latvia | 15 | January | Felicita, Felikss |
| Poland | 30 | January | Adelajda, Feliks, Gerard, Gerarda, Gerhard, Hiacynta, Maciej, Marcin, Martyna, Sebastian |
| Lithuania | 21 | February | Eleonora, Feliksas, Kestutis, Zemyna |
| Poland | 21 | February | Eleonora, Feliks, Fortunat, Kiejstut, Teodor, Wyszeniega |
| Poland | 1 | March | Albin, Antoni, Antonina, Budzisław, Budzisz, Eudokia, Eudoksja, Ewdokia, Feliks, Herakles, Herkules, Jewdocha, Joanna, Józef, Nikifor, Piotr |
| Poland | 23 | March | Eberhard, Feliks, Katarzyna, Kondrat, Oktawian, Pelagia, Pelagiusz, Piotr, Zbysław |
| Lithuania | 26 | March | Arbutas, Emanuelis, Feliksas, Tekle, Vydmante |
| Poland | 26 | March | Emanuel, Feliks, Larysa, Manuela, Nikifor, Teodor, Tworzymir |
| Poland | 21 | April | Addar, Anzelm, Bartosz, Drogomił, Feliks, Irydion, Konrad, Konrada, Selma |
| Poland | 18 | May | Aleksander, Aleksandra, Alicja, Edwin, Eryk, Eryka, Feliks, Irina, Liboriusz, Myślibor, Wenancjusz |
| Poland | 30 | May | Andonik, Feliks, Ferdynand, Joanna, Sulimir |
| Poland | 31 | May | Aniela, Bożysława, Ernesta, Ernestyna, Feliks, Petronela, Petronia, Petroniusz, Teodor |
| Poland | 11 | June | Anastazy, Barnaba, Feliks, Radomił, Teodozja |
| Poland | 12 | July | Andrzej, Euzebiusz, Feliks, Henryk, Jan Gwalbert, Paweł, Piotr, Tolimir, Weronika |
 Croatia | 30 | August | Feliks, Radoslava |
| Poland | 11 | September | Feliks, Jacek, Jan, Naczesław, Prot |
| Poland | 6 | November | Feliks, Leonard, Trzebowit, Ziemowit |
| Croatia | 20 | November | Feliks Valois, Srecko, Edmund |
| Lithuania | 20 | November | Feliksas, Jovydas, Vaidvile |
| Poland | 20 | November | Anatol, Edmund, Feliks, Jeron, Oktawiusz, Sędzimir |
| Croatia | 29 | December | Feliks I. papa, Sabin |