Κλημεντίνη, Klemetine, Clementine: Called upon. From κλῆσις (klesis), a calling, call.

Κλήμης, Klemes, Clement: Called upon. From κλῆσις (klesis), a calling, call.

Κλήσιππος, Klesippos: One who calls upon horses. From κλῆσις (klesis), a calling, call, and ἵππος (hippos), horse.

Κλύμενος, Klymenos: Renown. From κλύω (klyo), to hear.

Κλυταιμνήστρα, Klytemnestra, Clytemnestra: Called upon to me married. From κλῆσις (klesis), a calling, call, and μνῆστρον (mnestron), betrothal, marriage.

Κλυτία, Klytia: Renown. From κλύω (klyo), to hear.

Κλύτος, Klytos: Renown. From κλύω (klyo), to hear.

Κλυτός, Klytos: Renown. From κλύω (klyo), to hear.

Κλωθὼ, Klotho, Clotho: Spinster. From κλώθω (klotho), to twist by spinning, spin.

Κόδρος, Kodros, Codrus: Glorious. From κυδρός (kudros), glorious, illustrious.

Κοίρανος, Koiranos: Lord, ruler, master. From κοιρανέω (koiraneo), to belord.

Κόνων, Konon: Swift, one whose dust we eat. From κονέω (koneo), to raise dust, to hasten.

Κοραλλία, Korallia, Coral: Coral-like. From κοράλλιον (korallion), coral.

Κορίννα, Korinna, Corinna: Maiden. From κόρη (kore), maiden.

Κοριννώ, Korinno, Corinno: Maiden. From κόρη (kore), maiden.

Κοσμᾶς, Kosmas, Cosmas: Of the universe, of order, ornate. From κόσμος (kosmos), the universe (as in cosmos), order, an ornament (as in cosmetic).

Κόσμος, Kosmos, Cosmos: Of the universe, of order, ornate. From κόσμος (kosmos), the universe (as in cosmos), order, an ornament (as in cosmetic).

Κραναὸς, Kranaos: Rocky, rugged. From κράνος (cranos), helmet.

Κράτερος, Krateros: Powerful. From κράτος (kratos), strength.

Κράτης, Krates: Powerful. From κράτος (kratos), strength.

Κρατῖνος, Kratinos: Powerful. From κράτος (kratos), strength.

Κράτιππος, Kratippos: A powerful horseman. From κράτος (kratos), strength, and ἵππος (hippos), horse.

Κρατύλος, Kratylos: Powerful. From κράτος (kratos), strength.

Κράτων, Kratos: Powerful. From κράτος (kratos), strength.

Κρείων, Kreion: King, from κρείων (kreion), same meaning.

Κρέουσα, Kreousa: Queen. From κρέων (kreon), king.

Κρεσφόντης, Kresphontes: A terrible exterminator. From κρείσσων (kreisson), superior, and φόνος (phonos), bloodshed, murder.

Κρέων, Kreon, Creon: King, from κρέων (kreon), same meaning.

Κρινιὼ, Krinio: Lily. From κρίνον (krinon), lily.

Κριτίας, Kritias: Judge. From κριτὴς (krites), same meaning.

Κριτόβουλος, Kritoboulos: A sound advisor. From κρίσις (krisis), judgment, and βουλεύω (bouleuo), hold counsel, deliberate, advise, devise.

Κριτόδημος, Kritodemos: Judged by the people. From κριτὴς (krites), judge, and δῆμος (demos), the people.

Κριτόλαος, Kritolaos: Judged by the people. From κριτὴς (krites), judge, and λαός (laos), the people.

Κρίτος, Kritos: One with sound judgment. From κριτὴς (krites), judge.

Κρίτων, Kriton, Criton: One with sound judgment. From κριτὴς (krites), judge.

Κροῖσος, Kroisos, Croesus: Very wealthy. Name of a Lydian king, of uncertain etymology.

Κρυσταλλίνη, Krystalline: Crystal. From κρύσταλλον (krystallon), crystal.

Κρώμαχος, Kromachos: Stone-throwing fighter. From κρῶμαξ (chomax), rock, and μάχη (mache), battle.

Κτησίας, Ktesias: Proprietor. From κτῆσις (ktesis), property.

Κτησικλείδης, Ktesikleides: Son of a proprietor. From κτῆσις (ktesis), property.

Κτησικλῆς, Ktesokles: One who had won glory. From κτῆσις (ktesis), property, and κλέος (kleos), glory.

Κτησίλοχος, Ktesilochos: One who commands several soldiers. From κτῆσις (ktesis), property, and λόχος (lochos), a body of troops.

Κτήσιππος, Ktesippos: One who owns several horses. From κτῆσις (ktesis), property, and ἵππος (hippos), horse.

Κτησιφῶν, Ktesiphon: A shining person. From κτῆσις (ktesis), property, and φῶς (phos), light.

Κύβερνις, Kybernis, Cybernis: One who rules or steers. From κυβέρνησις (kybernesis), steering, pilotage. 

Κυδαίνων, Kydainon: Glorified. From κυδαίνω (kydaino), glorify, ennoble.

Κυδίας, Kydias: Triumphant. From κυδιάω (kydiao), to triumph, to be proud.

Κυδίμαχος, Kydimachos: A majestic warrior. From κῦδος (kudos), glory, majesty, and μάχη (mache), battle.

Κυδίππη, Kydippe: A majestic horsewoman. From κῦδος (kudos), glory, majesty, and ἵππος (hippos), horse.

Κύκνος, Kyknos: Swan. From the root κυκ- (kyk), bright, white.

Κυναίγειρος, Kynaigeiros: A superb hunter. From κυνήγιον (kynegion), chase, hunt, and ἐγείρω (egeiro), to awaken, arouse.

Κυπριανὸς, Kyprianos, Cyprian. Of Cyprus. From Κύπρος (Kypros), Cyprus, which is possibly a cognate of κυπάρισσος (kyparissos), cypress tree.

Κυριακὴ, Kyriake, Dominique: Of the lord. From κύριος (kyrios), the lord.

Κυριᾶκος, Kyriakos, Dominic: Of the lord. From κύριος (kyrios), the lord.

Κυριακός, Kyriakos, Dominic: Of the lord. From κύριος (kyrios), the lord.

Κύριλλος, Kyrillos, Cyril: Of the lord. From κύριος (kyrios), the lord.

Κυτραγόρα, Kyrtagora: A distinguished orator. From κυρτός (kyrtos), arched, and ἀγόρευσις (agoreusis), speech, oration.

Κυδραγόρα, Kydragora: An illustrious orator. From κυδρός (kydros), glorious, illustrious, and ἀγόρευσις (agoreusis), speech, oration.