| Ülke | Gün | Ay | İsimler |
 Polonya | 1 | Nisan | Krizant, Grazyna, Hügo, Hugo, Katarzyna, Teodora, Tolisław, Zbigniew, Zbyszko |
| Polonya | 2 | Nisan | Franciszek, Sadomir, Urban, Vladislav, Władysława |
| Polonya | 3 | Nisan | Antoni, Ciezygör, Jakub, Pankras, Rıchard |
| Polonya | 4 | Nisan | Ambrozy, Bazili, Benedikt, İzidor, Vaclav, Vatslava, Zdzimir |
| Polonya | 5 | Nisan | Borzywoj, İrena, Winsenti |
| Polonya | 6 | Nisan | Ada, Adam, Adamina, Celestyn, Selestina, Diyojen, İreneusz, Katarzyna, Świętobor, Sykstus, Vilyam, Zekeriya |
| Polonya | 7 | Nisan | Donat, Donata, Epifanius, Hegezyp, Herman, Przeçlav, Rufin |
| Polonya | 8 | Nisan | Apolinary, Cezary, Cezaryna, Dionizyus, Gavrıla, Ocak, Radoslav, Sieciesława |
| Polonya | 9 | Nisan | Dobrosława, Dimitri, Maya, Marceli, Matron |
| Polonya | 10 | Nisan | Antoni, Apolonyus, Daniel, Ezekiel, Grodzisław, Henryk, Makari, Małgorzata, Mihail, Pompeyus |
| Polonya | 11 | Nisan | Filip, Herman, Jaromir, Leon, Marek |
| Polonya | 12 | Nisan | Andrzej, İwan, Juliusz, Siemiodrog, Viktor, Viktoryusz, Zenon, Zenona |
| Polonya | 13 | Nisan | Hermenegild, Hermenegilda, Ida, Can, Justyn, Małgorzata, Przemysław, Przemysław |
| Polonya | 14 | Nisan | Berenike, Julianna, Justyn, Maria, Myślimir, Tiburtius, Valeryan, Valeriana |
| Polonya | 15 | Nisan | Anastazya, Bazili, Leonid, Ludwina, Mütevazı, Olimpia, Tytus, Vaclav, Vatslava, Wiktoryn, Wszegniew |
| Polonya | 16 | Nisan | Benedikt, Bernadetta, Cecyl, Cecylian, Çarizjusz, Ervin, Ervina, Julia, Kseniya, Lambert, Lamberta, Nikita, Nosislav, Patrycy, Urban |
| Polonya | 17 | Nisan | Anicet, İnosenta, İnnokenti, Jakub, Józef, Klara, Radociech, Robert, Roberta, Rudolf, Rudolfa, Rudolfina, Stefan |
| Polonya | 18 | Nisan | Apolonyus, Bogusław, Bogusława, Flavius, Gościsław |
| Polonya | 19 | Nisan | Adolf, Adolfa, Adolfina, Alf, Cieszyrad, Zdeněk, Çekasz, Çeçohon, Çeслав, Leon, Leontina, Pafnutiy, Taymon, Werner, Wlodzimierz |
| Polonya | 20 | Nisan | Agnieszka, Amalia, Zdeněk, Çekasz, Çeçohon, Çeслав, Floransjus, Florenti, Nawój, Sulpicjusz, Şimon, Teodor |
| Polonya | 21 | Nisan | Addar, Anzelm, Bartuş, Drogomił, Feliks, Irydion, Konrad, Konrada, Selma |
| Polonya | 22 | Nisan | Heliodor, Kajus, Leonia, Leonid, Łukasz, Soter, Strzeżymir, Teodor |
| Polonya | 23 | Nisan | Adalbert, Gerard, Gerarda, Gerhard, Helena, Jerzy, Wojciech |
| Polonya | 24 | Nisan | Aleksander, Aleksi, Egbert, Ervin, Ervina, Fidelis, Grzegorz, Horacyus, Horasi |
| Polonya | 25 | Nisan | Jarosław, Marek, Vasıl |
| Polonya | 26 | Nisan | Artemon, Klaudius, Klet, Marselin, Marselina, Maria, Marzena, Spycimir |
| Polonya | 27 | Nisan | Anastazi, Andrzej, Bożebor, Kanizyus, Martyn, Piotr, Teofil, Zyta |
| Polonya | 28 | Nisan | Aristarkh, Maria, Pawel, Przybyczest, Valeriya, VİTALİS |
| Polonya | 29 | Nisan | Anjelina, Augustyn, Bogusław, Hügo, Hugo, Paulin, Piotr, Rita, Robert, Roberta, Sibilla |
| Polonya | 30 | Nisan | Bartłomiej, Hwalisława, Ötropiyusz, Jakub, Katarzyna, Lilla, Marian |
