| Name | Date | Month | Icon | Bios |
| BEWARE: today it's April Fools' Day (!) | 1 | April | | |
| TITOS (1) (Titos) | 2 | April | | |
| ILLYRIOS (Illyrios) | 3 | April | | |
| (no widely known nameday) | 4 | April | | |
| ARGYRO (Argyro, Renia) | 5 | April |  |  |
| PANAGIOTIS (1) (Panayotis, Panagiotis, Panos, Panousos, Panagis, Panagos, Giotis, Yiotis, Panikos, Takis, Panagiota, Panayota, Yiota, Giota, Panagioula, Panagoula, Pani, Tota, Toula, Pegie, Pegy) | 5 | April |  |  |
| EFTIHIOS (1) (Eftychios, Eftyhia, Eftyhis) | 6 | April | | |
| (no widely known nameday) | 7 | April | | |
| (no widely known nameday) | 8 | April | | |
| EFPSYHIOS (Efpsyhios, Psyxoula) | 9 | April | | |
| JOSEF (2) (Iosif, Sifis) | 9 | April | | |
| ANAKSIMENIS (Anaksimenis, Menis) | 10 | April | | |
| DIMOKLIS (Dimoklis, Dimos, Dimoklia, Dimokleia) | 10 | April |  |  |
| DIMOSTHENES (Dimosthenis, Dimos, Demos) | 10 | April |  |  |
| DIONISIS (3) (Dionysius, Dionysis, Dionisos, Dionysios, Dionysos, Nionios, Denis, Dennis, Denise, Sissy) | 10 | April |  |  |
| EPAMINONDAS (Epamenondas) | 10 | April |  |  |
| ETEOKLIS (Eteoklis) | 10 | April | | |
| FOKION (Fokion, Fokos) | 10 | April |  |  |
| HERCULES (Herakles) | 10 | April |  |  |
| HOMER (Homer) | 10 | April |  |  |
| IFESTION (Ifestion) | 10 | April | | |
| ISOCRATES (Isocratis) | 10 | April |  |  |
| MAXIMOS (2) (Maximos, Massimos) | 10 | April | | |
| MILTIADIS (Miltos) | 10 | April |  |  |
| PARMENION (Parmenion) | 10 | April | | |
| PELOPIDAS (Pelopidas) | 10 | April |  |  |
| PERICLES (Periklis) | 10 | April |  |  |
| PHILOPIMIN (Philopimin, Philis, Filis, Filopimin) | 10 | April | | |
| PINDAROS (Pindaros) | 10 | April | | |
| POLYVIOS (Polivios) | 10 | April | | |
| PROMITHEAS (Promitheas) | 10 | April | | |
| SOCRATES (1) (Sokrates, Sokratis, Socrates) | 10 | April | | |
| SOFOCLES (Sofoclis) | 10 | April |  |  |
| THEMISTOKLIS (1) (Themistokles, Themistoklis, Themistokleus) | 10 | April | | |
| THEOFRASTOS (Theofrastos) | 10 | April | | |
| THISEAS (Thiseas) | 10 | April | | |
| TIMOTHY (2) (Timotheos, Timothy) | 10 | April | | |
| XENOFON (2) (Xenofontas, Xenia) | 10 | April | | |
| ZINON (1) (Zenon, Zinon) | 10 | April | | |
| ANTIPAS (Antipas, Antypas) | 11 | April | | |
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| AKAKIOS (AKAKIOS) | 12 | April | | |
| LAZAROS (*) (Lazarus, Lazos) | 12 | April | | |
| DAFNIS (*) (Dafnis) | 13 | April | | |
| DAPHNE (*) (Daphne, Dafni) | 13 | April | | |
| GERONTIOS (Gerontios) | 13 | April | | |
| VAIOS (*) (Vaia , Vaios, Juli) | 13 | April | | |
| ARISTARHOS (Aristarhos) | 14 | April | | |
| MEGALI DEYTERA (*) (Megali Deytera) | 14 | April | | |
| PAGALOS (*) (Pagalos) | 14 | April | | |
| THOMAIS (Thomais) | 14 | April | | |
| LEONIDAS (Leonidas, Leo, Leonie) | 15 | April | | |
| MEGALI TRITI (*) (Megali Triti) | 15 | April | | |
| GALINI (Galene) | 16 | April | | |
| GALINOS (Galinos) | 16 | April | | |
| HIONIA (Hionia) | 16 | April | | |
| CALIS (Kallis, Kallida, Kallia, Kalli, Kalis, Kalida, Kalia, Kali, Callis, Callida, Callia, Calis, Calida, Calia, Caly) | 16 | April | |  |
| MEGALI TETARTI (*) (Megali Tetarti) | 16 | April | | |
| NIKI (1) (Neekee, Nikee) | 16 | April | | |
| ALITHEA (*) (Alithea, Alithia, Alitheia) | 17 | April | |  |
| MEGALI PEMPTI (*) (Megali Pempti) | 17 | April | | |
| MEGALI PARASKEYI (*) (Megali Paraskeyi) | 18 | April | | |
| (no widely known nameday) | 18 | April | | |
| MEGALO SABBATO (*) (Megalo Sabbato) | 19 | April | | |
| ANASTASIOS (*) (1) (Anastasios, Tassos, Tasos, Anastasia, Tasia, Sia, Tatia, Tasa, Tesa, Tasoula, Tasso) | 20 | April | | |
| ANESTIS (*) (Anestis) | 20 | April | | |
| CATHOLIC EASTER (*) (Catholic Easter) | 20 | April | | |
| LAMBROS (*) (Lambros, Lampros, Labrini) | 20 | April | | |
| ORTHODOX EASTER - PASCHA (*) (Orthodox Easter - Pascha) | 20 | April | | |
| PASCHALINA (*) (Paschalina) | 20 | April | | |
| PASCHALIS (*) (Paschalis) | 20 | April | | |
| STASINOS (*) (Stasinos, Stasini, Stasia, Stasa, Stasina) | 20 | April | | |
| ZAKHAIOS (Zakhaios) | 20 | April | | |
| ALEXANDRA (Alexis, Alexandra, Sandra, Sander) | 21 | April |  |  |
| FAISTOS (Faistos) | 21 | April | | |
| IANOS (Janos, Janus, Ianos, Gennadi, Gennaro, Janan, Janiusz, Januarius, Janusz, Jenaro, Jenarius, Jennaro) | 21 | April |  |  |
| JANUARY (January, Ianouarios) | 21 | April |  |  |
| IRINI (*) (3) (Eirene, Eirini, Irene, Irini, Rene, Rena, Renia, Rhenia) | 22 | April |  |  |
| NATHANAEL (Nathanael, Nathanail) | 22 | April | | |
| NEARHOS (Nearxos) | 22 | April | | |
| NIKOS (*) (2) (Nikolaos, Nikoleta, Nikos, Nicholas, Nicolas, Nick) | 22 | April |  |  |
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| RAPHAEL (*)(1) (Rafael) | 22 | April |  |  |
| GEORGE (*) (Georgios, Giorgos, Yorgos, George) | 23 | April | | |
| GEORGIA (*) (Georgia, Georgette, Georgete, Gina, Tzina) | 23 | April | | |
| THEOHARIS (*) (1) (Theoharis, Theoharoula, Haroula) | 23 | April | | |
| ACHILLES (Achilleas) | 24 | April | | |
| DOUKAS (Doukas) | 24 | April | | |
| ELIZABETH (Elisavet, Elisabet, Elisabeth, Lisa, Zeta, Zetta) | 24 | April | | |
| THAVMASTOS (Thavmastos, Thavmasti, Tammy) | 24 | April | | |
| KRINI (*) (Krini, Krinio) | 25 | April |  |  |
| MARKOS (*) (Markos, Mark, Marcos) | 25 | April |  |  |
| NIKI (2) (Neekee, Nikee) | 25 | April | | |
| PANAGIOTIS (2*) (Panayotis, Panagiotis, Panos, Panousos, Panagis, Panagos, Giotis, Yiotis, Panikos, Takis, Panagiota, Panayota, Yiota, Giota, Panagioula, Panagoula, Pani, Tota, Toula, Pegie, Pegy) | 25 | April |  |  |
| PIGI (*) (Pege, Pigi) | 25 | April |  |  |
| POLYZOIS (*) (Polizois, Polyzois, Polyzoes, Polizoes) | 25 | April | | |
| ZISIMOS (*) (Zisimos) | 25 | April |  |  |
| ZISIS (*) (Zisis, Zisoula) | 25 | April |  |  |
| ZOE (*) (Zoe, Zoi, Zois) | 25 | April |  |  |
| GLAFYRA (Glafyra) | 26 | April | | |
| THOMAS (*) (2) (Thomas, Tom) | 27 | April |  |  |
| MAGNOS (Magnos) | 28 | April | | |
| JASON (Iason, Jason, Iasonas) | 29 | April | | |
| KERKYRA (Kerkyra, Kerkira) | 29 | April | | |
| SOSIPATROS (1) (Sosipatros, Sopatros, Patra) | 29 | April | | |
| ASIMAKIS (2) (Asimakis) | 30 | April | | |
| ASIMINA (2) (Asimina) | 30 | April |  |  |
| DONATOS (Donatos, Donata, Donatella) | 30 | April | | |
| JACOB (2) (Iakovos, Giacomo, Mino, Jacob, Jacques, Jaquet, Jacqueline, Jacquiline, James, Jemmy, Janie, Jakob, Jackel, Jockel, Jacky) | 30 | April |  |  |
| MALAMATI (2) (Malamati, Mala, Malamatenia, Matina) | 30 | April | |  |