Fitzgilbert
Fitzgilbert is a Norman French surname. It is patronymic, since the prefix Fitz- derives from the Latin filius, meaning "son of." Its variants include the alternate forms FitzGilbert, Fitz Gilbert, Fitz-Gilbert, fitz Gilbert, and the given name turned surname Gilbert or Gilberts. Fitzgilbert is rare as a given name. People with the name include:
- Baldwin FitzGilbert, Norman nobleman
- John Fitz Gilbert or John Marshal (Marshal of England), minor Anglo-Norman nobleman
- Richard fitz Gilbert, Norman lord who participated in the Norman conquest of England
- Walter fitz Gilbert of Cadzow, Scottish nobleman
- William FitzGilbert, fifteenth Lord Chancellor of England, from 1141 to 1142
- William de Lancaster I, English nobleman also known as William Fitz Gilbert