| Land | Dag | Måned | Navn |
 Kroatia | 29 | januar | Vilana, Valerije, Konstancije |
 Italia | 30 | januar | Costanzo |
 Latvia | 17 | februar | Auce, Donats, Konstance |
 Polen | 17 | februar | Donat, Donata, Franciszek, Izydor, Julian, Konstanty, Łukasz, Niegomir, Sylwin, Zbigniew, Zbyszko |
 Spania | 17 | februar | Constanza, Rómulo, Alexis |
| Polen | 18 | februar | Albert, Alberta, Albertyna, Fryda, Konstancja, Krystiana, Maksym, Sawa, Sylwan, Sylwana, Symeon, Więcesława, Zula, Zuzanna |
 Østerrike | 18 | februar | Constanze, Simon, Simone |
| Polen | 25 | februar | Bolebor, Cezary, Konstancjusz, Maciej, Małgorzata, Modest, Nicefor |
| Latvia | 11 | mars | Agita, Konstantins |
 Litauen | 11 | mars | Gedimtas, Konstantinas, Vijole |
| Polen | 11 | mars | Benedykt, Drogosława, Edwin, Kandyd, Konstanty, Konstantyn, Prokop, Rozyna, Sofroniusz |
 USA | 11 | mars | Alberta, Albertina, Angus, Connie, Constance, Constantine, Consuela, Consuelo, Elberta, Ramiro |
| Italia | 12 | mars | Costantino, Rosina |
 Frankrike | 11 | april | Stanislas |
| Italia | 11 | april | Stanislao |
| Kroatia | 11 | april | Stanislav, Stana, Radmila |
| Spania | 11 | april | Gema, Oria, Estanislao |
| Østerrike | 11 | april | Hildebrand, Stanislaus |
 Bulgaria | 12 | april | Vencislav, Vencislava, Violeta, Varban, Girgin, Girgina, Dilyan, Dilyana, Zdravka, Zdravko, Latinka, Lilyana, Margarita, Nevena, Roza, Rosen, Rosica, Trendafil, Trendafilka, Tsvetan, Tsveta, Tsvetanka, Tsviatko, Tseno, Stanislav, Stanislava |
 Czech | 7 | mai | Stanislav |
| Litauen | 7 | mai | Butautas, Danute, Rimte, Stanislovas, Stasys |
 Danmark | 8 | mai | Stanislaus |
| Latvia | 8 | mai | Aiga, Ceronis, Inita, Stanislavs, Stefanija |
| Polen | 8 | mai | Dezyderia, Ilza, Marek, Michał, Piotr, Stanisław |
| USA | 19 | mai | Dumont, Duncan, Dunstan, Indigo, Ivar, Ives, Wright, Yves |
| Bulgaria | 21 | mai | Elena, Konstantin, Kosta, Kostadin, Kostadinka, Lenko, Dicho, Lenko, Dinko, Elenko, Eli, Elin, Elka, Ilona, Kojcho, Kostadina, Kostadinko, Kuncho, Stamen, Stanimir, Stanimira, Stanka, Stoil, Stoyan, Stoian, Stoyanka, Trayko, Dinko |
 Estland | 21 | mai | Konstantin, Kostel, Tiino, Kindel |
 Finland | 21 | mai | Konsta, Kosti, Konstantin |
| Frankrike | 21 | mai | Constantin |
 Hellas | 21 | mai | Konstantinos, Kostas, Tina, Dina, Eleni, Helen |
| Spania | 21 | mai | Constantino, Virginia, Giselle, Valente |
 Sverige | 21 | mai | Conny, Konstantin |
 Ukraina | 21 | mai | Constantine, Constance, Helen |
 Ungarn | 21 | mai | Konstantin |
| Østerrike | 21 | mai | Christoph, Constantin, Josef, Julio |
| Polen | 3 | juni | Cecyliusz, Ferdynand, Klotylda, Konstantyn, Laurencjusz, Laurentyn, Laurentyna, Leszek, Paula, Tamara, Wawrzyniec |
| Czech | 9 | juni | Stanislava |
 Slovakia | 9 | juni | Stanislava |
| Polen | 29 | juli | Beatrice, Beatrycze, Beatryks, Cierpisław, Faustyn, Konstantyn, Lucylla, Maria, Marta, Olaf, Serafina, Urban |
| Polen | 5 | august | Cyriak, Emil, Karolin, Maria, Nonna, Oswald, Oswalda, Stanisława |
| Polen | 26 | august | Dobroniega, Joanna, Konstanty, Maksym, Maria, Wiktorian, Zefir, Zefiryn, Zefiryna |
| Litauen | 5 | september | Dingaile, Erdenis, Justina, Stanislova, Stase |
| Litauen | 10 | september | Girminte, Konstancija, Koste, Mikalojus, Tautgirdas |
| Bulgaria | 14 | september | Krustan, Krustina, Krustyo, Krastan, Krastina, Krastyo, Kancho, Stavri, Krastyu, Krastena |
| Danmark | 19 | september | Constantia |
 Norge | 19 | september | Connie, Konstanse |
| Polen | 19 | september | Alfons, Alfonsyna, January, Konstancja, Sydonia, Teodor, Więcemir |
| Slovakia | 19 | september | Konštantín |
| Polen | 2 | oktober | Dionizy, Leodegar, Stanimir, Teofil, Trofim |
| Polen | 5 | oktober | Apolinary, Częstogniew, Donat, Donata, Faust, Fides, Flawia, Igor, Justyn, Konstancjusz, Konstans, Placyd |
| Kroatia | 13 | november | Stanislav Kostka, Brcko b., Stanko |
| Polen | 13 | november | Arkadiusz, Arkady, Brykcjusz, Eugeniusz, Jan, Mikołaj, Stanisław, Walentyn |
| Slovakia | 13 | november | Stanislav |
| Østerrike | 13 | november | Eugen, Livia, Stanislaus |
| Polen | 30 | november | Andrzej, Justyna, Konstanty, Maura, Zbysława |
| Bulgaria | 5 | desember | Elisaveta, Sava, Savka, Svetoslav, Svetoslava, Slavi, Slavcho, Sabi, Savina, Stanislav |
| USA | 22 | desember | Asta, Astrid, Trista, Tristan, Tristen, Tristin, Triston |
| Bulgaria | 27 | desember | Venci, Vencislav, Vencislava, Zapryan, Sonya, Stamen, Stanimir, Stanka, Stefan, Stefana, Stefaniya, Stefka, Stoil, Stoimen, Stoichko, Stojko, Stoyan, Stoyanka, Tanya, Tsanka, Tsanko, Tsonka, Tsonyu |
