Alf's name day is observed on multiple dates across several countries. It is celebrated on January 3 in Norway, June 21 in Sweden, and August 2 in the USA. Additionally, Poland marks Alf's name day on February 11, February 14, April 19, June 17, and August 21. Estonia also honors this name on October 29, highlighting its widespread recognition.
The name Alf, while less common in the USA, enjoys significant popularity in Nordic countries, reflecting centuries of historical use. Originating from Old Norse, it means 'elf' or 'supernatural being,' linking it to ancient folklore and a rich mythological heritage. This name is distinctly masculine, almost exclusively given to males worldwide. It conveys a mood that is classic, friendly, and reliably strong, suggesting a grounded and approachable personality. Its deep roots ensure a timeless appeal without being tied to fleeting trends.
| Country | Day | Month | Names |
 Norway | 3 | January | Alf, Alfred |
 Poland | 11 | February | Adolf, Adolfa, Adolfina, Alf, Bernadetta, Dezydery, Eufrozyna, Łazarz, Lucjan, Maria, Olgierd, Świętomira |
| Poland | 14 | February | Adolf, Adolfa, Adolfina, Alf, Cyryl, Dobiesława, Dobisława, Józef, Józefa, Konrad, Konrada, Krystyna, Lilian, Liliana, Mikołaj, Niemir, Niemira, Walenty, Zenon, Zenona |
| Poland | 19 | April | Adolf, Adolfa, Adolfina, Alf, Cieszyrad, Czech, Czechasz, Czechoń, Czesław, Leon, Leontyna, Pafnucy, Tymon, Werner, Włodzimierz |
| Poland | 17 | June | Adolf, Adolfa, Adolfina, Agnieszka, Alf, Drogomysł, Franciszek, Laura, Marcjan, Radomił, Rainer, Wolmar |
 Sweden | 21 | June | Alf, Alvar |
 USA | 2 | August | Alf, Alfie, Alfonsina, Alfonso, Alford, Alfred, Alfreda, Alfredo, Alonso, Alonza, Alonzo, Alphonso, Fonzie |
| Poland | 21 | August | Adolf, Adolfa, Adolfina, Alf, Bernard, Emilian, Filipina, Franciszek, Joanna, Kazimiera, Męcimir |
 Estonia | 29 | October | Alfred, Alf, Fred, Fredi |
| Country | Day | Month | Names |
| Sweden | 3 | January | Alfred, Alfrida |
 Spain | 12 | January | Alfredo, Tatiana, Tania, Hilario |
| Spain | 17 | January | Alba, Antonio, Mariana, Mariano, Alfredo |
 Slovakia | 28 | January | Alfonz |
 Hungary | 23 | February | Alfréd |
| Estonia | 7 | March | Rudolf, Ruudi, Ruut, Ralf, Rolf, Raul |
 Latvia | 22 | March | Dziedra, Giedra, Ralfs, Tamara |
 Lithuania | 23 | March | Akvile, Alfonsas, Galigantas, Vismante |
| Sweden | 27 | March | Ralf, Rudolf |
| Latvia | 16 | April | Alfs, Mindaugs, Mintauts |
 Austria | 22 | April | Alfred, Kaj, Leonidas |
| Norway | 29 | April | Toralf, Torolf |
| Lithuania | 20 | May | Akvilas, Alfreda, Eidvilas, Vyginte |
| Poland | 1 | June | Alfons, Alfonsyna, Bernard, Fortunat, Gracjana, Hortensjusz, Jakub, Konrad, Konrada, Magdalena, Nikodem, Świętopełk, Symeon |
| Slovakia | 19 | June | Alfréd |
| Austria | 21 | June | Alban, Alois, Aloisia, Ralf |
| Poland | 4 | July | Ageusz, Alfred, Aurelian, Elżbieta, Innocenta, Innocenty, Józef, Julian, Malwin, Malwina, Odo, Teodor, Wielisław |
| Poland | 19 | July | Alfred, Arseniusz, Lutobor, Rufin, Wincenty, Wodzisław |
| Poland | 27 | July | Alfons, Alfonsyna, Aureli, Julia, Laurenty, Lilla, Marta, Natalia, Natalis, Pantaleon, Rudolf, Rudolfa, Rudolfina, Wszebor |
| Austria | 1 | August | Alfons, Kenneth, Peter |
 Croatia | 1 | August | Alfons, Vjera, Nada |
 Germany | 1 | August | Alfons |
 Italy | 1 | August | Alfonso Maria de' Liguori |
| Spain | 1 | August | Alfonso, Dalmau |
| Lithuania | 2 | August | Alfonsas, Guoda, Gustavas, Tautvaldas |
| Poland | 2 | August | Alfons, Alfonsyna, Borzysława, Gustaw, Ilia, Karina, Maria, Stefan |
| Poland | 4 | August | Alfred, Arystarch, Dominik, Maria, Mironieg, Protazy |
| Sweden | 6 | August | Alfons, Inez |
| Latvia | 7 | August | Alfreds, Helara, Madars |
| Croatia | 14 | August | Maksimilijan Kolbe, Alfred |
| Italy | 14 | August | Alfredo |
| Poland | 14 | August | Alfred, Atanazja, Dobrowój, Euzebiusz, Kalikst, Kaliksta, Machabeusz |
 France | 15 | August | Alfred, Marie |
| Austria | 16 | August | Alfried, Rochus, Stefan |
| Poland | 16 | August | Alfons, Alfonsyna, Ambroży, Domarad, Domarat, Joachim, Joachima, Roch |
| Latvia | 23 | August | Benjamins, Ralfs, Spriditis, Vitalijs |
| Sweden | 3 | September | Alfhild, Alva |
| Poland | 19 | September | Alfons, Alfonsyna, January, Konstancja, Sydonia, Teodor, Więcemir |
| Norway | 6 | October | Målfrid, Møyfrid |
| Latvia | 12 | October | Kira, Lase, Monvids, Valfrids, Vitenis |
| Sweden | 12 | October | Manfred, Valfrid |
 Finland | 29 | October | Alfred, Urmas |
| Norway | 29 | October | Noralf, Norunn |
| Austria | 30 | October | Alfons, Angelo, Dieter |
| Hungary | 30 | October | Alfonz |
| Poland | 30 | October | Alfons, Alfonsyna, Angel, Angelus, Edmund, Klaudiusz, Przemysław, Sądosław, Zenobia |
| Croatia | 31 | October | Alfonz Rodriquez, Vuk, Vukmir |
| Lithuania | 31 | October | Alfonsas, Liucile, M-stvydas, Tanvile |
| Poland | 31 | October | Alfons, Alfonsyna, Antoni, Antonina, August, Augusta, Godzimir, Godzisz, Lucylla, Łukasz, Saturnin, Saturnina, Urban, Wolfgang |
| Latvia | 22 | November | Aldis, Aldonis, Alfons, Alfonss, Alfs |
| Lithuania | 14 | December | Alfredas, Kintvile, Tarvainas |
| Poland | 14 | December | Alfred, Arseniusz, Izydor, Naum, Pompejusz, Sławobor, Spirydion |