| Name | Date | Month | Icon | Bios |
| KADIANI (Kadiani, Kadiane) | 0 | not known | | |
| KADMOS (Kadmos) | 0 | not known | | |
| KALAMIS (Kalamis) | 0 | not known | | |
| KALAS (Kalas) | 0 | not known | | |
| KALI (Kalee, Kaylee) | 15 | May | | |
| CALIS (Kallis, Kallida, Kallia, Kalli, Kalis, Kalida, Kalia, Kali, Callis, Callida, Callia, Calis, Calida, Calia, Caly) | 16 | April | |  |
| KALLIANTHI (Kallianthi) | 0 | not known | | |
| KALLIAS (Kallias) | 0 | not known | | |
| KALLIDIKI (Kallidiki) | 0 | not known | | |
| KALLIKLIS (Kalliklis) | 0 | not known | | |
| KALLIKRATIS (Kallikratis) | 0 | not known | | |
| KALLIMAHOS (Kallimahos) | 0 | not known | | |
| KALLIMEDON (Kallimedon) | 0 | not known | | |
| KALLINIKOS (Kalinikos) | 29 | July | | |
| KALLINOS (Kallinos) | 0 | not known | | |
| KALLIOPI (Kalliope, Kaliopi, Popi) | 8 | June | | |
| KALLIPATEIRA (Kallipateira) | 0 | not known | | |
| KALLIPPOS (Kallippos) | 0 | not known | | |
| KALLIROI (Kaliroi) | 1 | September |  |  |
| KALLISTHENIS (Kallisthenis) | 4 | October | | |
| KALLISTI (Kalisti) | 1 | September |  |  |
| KALLISTO (Kallisto) | 1 | September |  |  |
| KALLISTOS (Kallistos, Kalistos) | 20 | June | |  |
| KALLISTRATOS (Kallistratos) | 27 | September | | |
| KALOMOIRA (Kalomoira) | 0 | not known | | |
| KALYPSO (Calipso, Callypso, Calypso, Kallypso, Kalypso) | 0 | not known | | |
| KANELA (Kanela, Nelly) | 0 | not known | | |
| KARANOS (Karanos) | 0 | not known | | |
| KARNEADIS (Karneadis) | 0 | not known | | |
| KARPO (Karpo) | 0 | not known | | |
| KARPOS (1) (Karpos) | 13 | October | | |
| KARPOS (2) (Karpos) | 26 | May | | |
| KASSANDRA (Kassandra) | 0 | not known | | |
| KASSANDROS (Kassandros) | 0 | not known | | |
| KASTOR (Kastor) | 18 | September | | |
| KATHOLIKI (Katholiki, Catholic) | 15 | August |  |  |
| KEKROPs (Kekrops) | 0 | not known | | |
| KELEOS (Keleos) | 0 | not known | | |
| KELSIOS (Kelsios) | 8 | January | | |
| KENTAVROS (Kentavros, Kendavros) | 0 | not known | | |
|
|
| KERASIA (Kerasia) | 20 | October |  |  |
| KERKYRA (Kerkyra, Kerkira) | 29 | April | | |
| KIARAN (Kiaran, Kieran, Kyran, Ceran, Queran, Ciaran, Kiara) | 9 | September |  |  |
| KIFEFS (Kifefs) | 0 | not known | | |
| KIFISODOROS (Kifisodoros) | 0 | not known | | |
| KIMON (Kimon) | 0 | not known | | |
| KINISIAS (Kinisias) | 0 | not known | | |
| KINTHIA (Kynthia, Kynthea, Kinthea) | 0 | not known | | |
| KINYRA (Kinyra) | 0 | not known | | |
| KINYRIS (Kinyris) | 0 | not known | | |
| KIRIKOS (Kerykos, Kirykos) | 15 | July | | |
| KIRKI (Kirki) | 0 | not known | | |
| KISIOS (Kisios) | 0 | not known | | |
| KLEANTHIS (Kleanthis) | 0 | not known | | |
| KLEARETI (Kleareti) | 0 | not known | | |
| KLEARHOS (Klearhos) | 0 | not known | | |
| KLEINIOS (Kleinios) | 0 | not known | | |
| KLEISTHENIS (Kleisthenis) | 0 | not known | | |
| KLEITOS (Kleitos) | 0 | not known | | |
| KLEODAIOS (Kleodaios) | 0 | not known | | |
| KLEODAMOS (Kleodamos) | 0 | not known | | |
| KLEOMENIS (Kleomenis) | 0 | not known | | |
| KLEOMIDIS (Kleomidis) | 0 | not known | | |
| KLEON (Kleon) | 0 | not known | | |
| KLEONIKI (Kleonikos) | 1 | September |  |  |
| KLEONIKOS (Kleonikos) | 3 | March | | |
| KLEOPAS (Kleopas, Cleopas) | 30 | October | | |
| KLEOVOULOS (Kleovoulos) | 0 | not known | | |
| KLIMENTINI (Klimentini, Clementine) | 10 | September | | |
| KLIMIS (Klimis, Clement) | 10 | September | | |
| KLITIAS (Klitias) | 0 | not known | | |
| KLOTHO (Klotho) | 0 | not known | | |
| KLYMENI (Klymeni) | 0 | not known | | |
| KLYTAIMNISTRA (Klytaimnistra) | 0 | not known | | |
| KLYTIDIS (Klytidis) | 0 | not known | | |
| KLYTOS (Klytos) | 0 | not known | | |
| KNIMOS (Knimos) | 0 | not known | | |
| KODROS (Kodros) | 22 | May | | |
| KOINOS (Koinos) | 0 | not known | | |
| KOMNINOS (Komninos) | 0 | not known | | |
|
|
| KONDYLENIA (Kondylenia, Kondilia) | 0 | not known | | |
| KONON (Konon) | 5 | March | | |
| KOPRIS (Kopros, Kopris) | 24 | September |  |  |
| KORENNA (*) (Korenna) | 9 | June |  |  |
| KORI (*) (Koree) | 9 | June |  |  |
| KORINA (*) (Korina) | 9 | June |  |  |
| KORINOS (*) (Korinos) | 9 | June |  |  |
| KORYDON (Korydon) | 0 | not known | | |
| KOUROS (Kouros) | 0 | not known | | |
| KRANAOS (Kranaos) | 0 | not known | | |
| KRATINOS (Kratinos) | 0 | not known | | |
| KRATIS (Kratis) | 0 | not known | | |
| KRATYLOS (Kratylos) | 0 | not known | | |
| KREON (Kreon) | 0 | not known | | |
| KRINI (*) (Krini, Krinio) | 25 | April |  |  |
| KRISTALO (Kristalo, Kristalia, Crystal, Krysta, Krista) | 15 | August | |  |
| KRITIAS (Kritias) | 0 | not known | | |
| KRITODIMOS (Kritodimos) | 0 | not known | | |
| KRITOLAOS (Kritolaos) | 0 | not known | | |
| KRITON (Kriton) | 0 | not known | | |
| KRONOS (Kronos, Cronos) | 30 | October | | |
| KTISIAS (Ktisias) | 0 | not known | | |
| KTISIVIOS (Ktisivios) | 0 | not known | | |
| KYDIAS (Kydias) | 0 | not known | | |
| KYDON (Kydon) | 0 | not known | | |
| KYMOTHOI (Kymothoi) | 0 | not known | | |
| KYPARISIA (Kiparisia, Paresia, Sissy) | 26 | November | |  |
| KYPsELOS (Kypselos) | 0 | not known | | |
| KYRA (Kyra, Kyratsa, Kyratso, Kyratsoula, Kyratsouda) | 28 | February |  |  |
| KYRIAKI (Kyriake, Kyriakos, Kyriaki, Kiriaki, Kiki, Kitsa, Korina, Kitsos, Sundy, Domenica, Dominica, Cyriaca, Kyriaca, Ria, Iria, Ia) | 7 | July |  |  |
| KYRIAKOS (Kyriakos, Kiriakos) | 29 | September |  |  |
| KYROS (Kyros) | 31 | January |  |  |
| KYVELI (Kyveli) | 0 | not known | | |