| Country | Day | Month | Names |
 Spain | 19 | January | Mario, Vicente, Sebastián |
 Austria | 20 | January | Fabianus, Sebastian, Ursula, Ute |
 Denmark | 20 | January | Fabian, Sebastian |
 Finland | 20 | January | Sebastian |
 Germany | 20 | January | Fabian, Paula, Sebastian |
 Norway | 20 | January | Bastian, Fabian, Sebastian |
 Poland | 20 | January | Dobiegniew, Fabian, Sebastian |
 Slovakia | 20 | January | Dalibor, Sebastián |
 Sweden | 20 | January | Fabian, Sebastian |
 USA | 20 | January | Fabia, Fabian, Fabiola, Sebastian, Sebastiana |
 Italy | 21 | January | Sebastiano |
| Poland | 30 | January | Adelajda, Feliks, Gerard, Gerarda, Gerhard, Hiacynta, Maciej, Marcin, Martyna, Sebastian |
| Poland | 8 | February | Gniewomir, Gniewosz, Honorat, Jan, Ksenofont, Lucjusz, Paweł, Piotr, Salomon, Sebastian, Żaklina |
| Spain | 13 | February | Cristian, Benigno |
| Poland | 18 | February | Albert, Alberta, Albertyna, Fryda, Konstancja, Krystiana, Maksym, Sawa, Sylwan, Sylwana, Symeon, Więcesława, Zula, Zuzanna |
 Greece | 26 | February | Porfyros, Sebastian, Fotini, Anatoli, Fay |
 Ukraine | 26 | February | Sebastian |
| Austria | 21 | March | Axel, Christian, Emilia |
| Austria | 14 | May | Bonifatius, Christian |
| Denmark | 14 | May | Kristian |
| Norway | 14 | May | Karsten, Kristen, Kristian |
| Ukraine | 24 | May | Christian |
| Greece | 7 | June | Sevastianis, Sevasti, Sebastian |
 Latvia | 24 | July | Krista, Kristiana, Kristine, Krists |
| USA | 24 | July | Amalia, Amelia, Boris, Chris, Christa, Christen, Christian, Christiana, Christie, Christin, Christina, Christine, Christy, Chrysta, Cristina, Cristian, Declan, Kiersten, Kirsten, Kirstie, Kirstin, Krista, Kristen, Kristian, Kristi, Kristin, Kristina, Kristine, Kristy, Kristyn, Maya |
| Greece | 2 | August | Justianos |
 Czechia | 5 | August | Kristian |
| Poland | 16 | September | Antym, Cyprian, Edda, Edyta, Eufemia, Eugenia, Franciszek, Jakobina, Kamila, Kornel, Lucja, Łucja, Sebastiana, Sędzisław, Wiktor, Wiktoriusz |
| Slovakia | 19 | October | Kristián |
| Greece | 24 | October | Sevastianis, Sebastian |
 France | 12 | November | Christian |
| Finland | 13 | November | Ano, Kristian |
| Sweden | 13 | November | Krister, Kristian |
| Poland | 4 | December | Barbara, Berno, Biernat, Chrystian, Hieronim, Krystian, Piotr |
| Austria | 15 | December | Carlo, Christiane, Nina |
| Poland | 15 | December | Celina, Fortunata, Iga, Ignacja, Ignacy, Krystiana, Nina, Walerian, Waleriana, Wolimir, Żegota |
| Greece | 18 | December | Floros, Sebastian |
 Bulgaria | 25 | December | Hristina, Hristo, Kristina, Kristian, Kristiana, Emil, Itso, Icho, Mladen, Radoslav, Radoslava, Radomir, Radostin, Radostina, Hristofor |
| Poland | 31 | December | Korneliusz, Mariusz, Melania, Sebastian, Sylwester, Tworzysław |
