This is a list of surnames in which the categories include kings.
KavanaghIrish Derived from the Irish Gaelic name Caomhánach, which means "a student of saint Caomhán". It was the name used by a 12th-century king of Leinster, Domhnall Caomhánach, the eldest son of the historic Irish king Diarmait Mac Murchada.
KhanUrdu, Pashto, Bengali From a title meaning "king, ruler", probably of Mongolian origin but used in many languages.