Surnames Categorized "kings"

This is a list of surnames in which the categories include kings.
usage
Kavanagh Irish
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.
Khan Urdu, Pashto, Bengali
From a title meaning "king, ruler", probably of Mongolian origin but used in many languages.
König German
German cognate of King.
Rao 1 Indian, Telugu, Kannada
From Sanskrit राज (raja) meaning "king".
Shah Persian, Urdu
Derived from Persian شاه (shah) meaning "king".