This is a list of surnames in which the categories include noble titles.
ChevalierFrench From a nickname derived from French chevalier meaning "knight", from Late Latin caballarius "horseman", Latin caballus "horse".
DukeEnglish From the noble title, which was originally from Latin dux "leader". It was a nickname for a person who behaved like a duke, or who worked in a duke's household.
EarlEnglish From the aristocratic title, which derives from Old English eorl meaning "nobleman, warrior". It was either a nickname for one who acted like an earl, or an occupational name for a person employed by an earl.
FürstGerman From a nickname meaning "(sovereign) prince" in German. The word fürst itself is derived from Old High German furisto "first".
HraběCzech Means "count" in Czech, perhaps used to denote someone who worked for a count or acted like a count.
JonkerDutch From the Dutch title jonkheer meaning "young lord". It was originally a medieval noble designation (not an actual title) for a young nobleman.
KaiserGerman From Middle High German keiser meaning "emperor", originally a nickname applied to someone who acted kingly. The title ultimately derives from the Roman name Caesar.
KaurIndian (Sikh) Means "princess", ultimately from Sanskrit कुमारी (kumari) meaning "girl". In 1699 Guru Gobind Singh gave all his Sikh female followers the surname Kaur and all males Singh. In many instances, it is also used as a middle name with the family name serving as the surname.
KingEnglish From Old English cyning"king", originally a nickname for someone who either acted in a kingly manner or who worked for or was otherwise associated with a king.