| Land | Tag | Monat | Namen |
 Estland | 1 | April | Harald, Herald, Harri, Harro |
| Estland | 2 | April | Ene, Eneken, Enel, Eneli, Enelin |
| Estland | 3 | April | Uku, Uko |
| Estland | 4 | April | Ambrus, Arbo, Arp, Arpo |
| Estland | 5 | April | Irene, Ireene, Reene, Reena, Rena, Renate |
| Estland | 6 | April | Villem, Ville, Villi, Villo, Villu |
| Estland | 7 | April | Allan, Allo |
| Estland | 8 | April | Julia, Juuli, Juulika, Lia, Liana, Liane |
| Estland | 9 | April | Kaira, Kaire, Kairi, Iiris |
| Estland | 10 | April | Hindrek, Indrek, Ints, Imre |
| Estland | 11 | April | Hurme, Hurmi, Urmi |
| Estland | 12 | April | Julius, Ulrik, Ullo, Udo, Uudo |
| Estland | 13 | April | Tarvo, Tarvi |
| Estland | 14 | April | Lehe, Lehte, Lehti |
| Estland | 15 | April | Verner, Verni, Uljas, Uljo |
| Estland | 16 | April | Olivia, Olvi, Olve |
| Estland | 17 | April | Ege, Eike, Hiie |
| Estland | 18 | April | Valdemar, Voldemar, Valdek, Valdeko, Valdo, Valdu, Valdur, Valmar, Valmer, Volmer, Volli |
| Estland | 19 | April | Aleksandra, Allo, Aalike, Alli, Andra, Sandra |
| Estland | 20 | April | Urva, Urve, Urvi, Orvi, Urbe |
| Estland | 21 | April | Aimar, Aimer, Aimur, Aimo |
| Estland | 22 | April | Meeri, Meri, Merje, Merike |
| Estland | 23 | April | Georg, Jürgen, Jürgo, Jüri, Jürjo, Jürnas, Jüts, Ürjo |
| Estland | 24 | April | Vanda, Vaida, Aada, Iida |
| Estland | 25 | April | Markus, Margus, Margo, Marko, Marek, Mark |
| Estland | 26 | April | Tereese, Teesi, Teisi, Reesi, Eesi |
| Estland | 27 | April | Haldi, Haldja, Halja |
| Estland | 28 | April | Lagle, Luige |
| Estland | 29 | April | Kalmer, Kalmo |
| Estland | 30 | April | Mirjam, Mirja, Mirje, Miia |
