Alex: Name day
Name Day List: Alex
| Country | Day | Month | Names |
 Hungary | 9 | February | Abigél, Alex |
 USA | 3 | March | Alasdair, Alastair, Alec, Alejandra, Alejandro, Alex, Alexa, Alexander, Alexandra, Alexandria, Alexia, Alexis, Alexus, Ali, Alondra, Dale, Darnell, Lex, Lexi, Lexie, Lexus, Sandra, Sandy, Sasha, Xander, Zander |
 Greece | 17 | March | Alexios, Alexia, Alexis, Alex, Gertrude |
| Greece | 30 | August | Alexandros, Alexandra, Alexander, Alex, Alexis, Alekos, Sandra |
Name Day List - similar names (Alex)
| Country | Day | Month | Names |
 Slovakia | 2 | January | Alexandra |
| Slovakia | 9 | January | Alexej |
 Austria | 17 | February | Alexius, Benignus, Bonosus |
 France | 17 | February | Alexis |
 Spain | 17 | February | Constanza, Rómulo, Alexis |
 Sweden | 17 | February | Alexandra, Sandra |
 Czechia | 27 | February | Alexandr |
| Slovakia | 27 | February | Alexander |
 Bulgaria | 17 | March | Alexi |
 Denmark | 18 | March | Alexander |
| Czechia | 21 | April | Alexandra |
| Greece | 21 | April | Ianouarios, Alexandra, Faistos, Megali Pempti |
| France | 22 | April | Alexandre |
| Spain | 22 | April | Teodoro, Alexander, Apeles |
| Czechia | 3 | May | Alexej |
 Russia | 6 | May | Alexandra |
| Hungary | 18 | May | Erik, Alexandra |
| Russia | 31 | May | Alexandra, Faina, Julia |
| Russia | 23 | June | Alexandra, Antonina |
| Denmark | 17 | July | Alexius |
 Germany | 17 | July | Alexis |
| Greece | 17 | July | Marinos, Marina, Alexandra, Sandra |
 Ukraine | 30 | August | Alexander, Alexandria, Les, Lesia, Oles, Olesia, Sandra |
| Russia | 19 | November | Alexander |
| Bulgaria | 23 | November | Aleko, Alexander, Alexandra, Aleksandar, Aleksandra, Tsanko, Tsanka |
| Sweden | 12 | December | Alexander, Alexis |
| Denmark | 24 | December | Adam, Alexandrine |