Duff baronets
There have been three creations of baronets with the surname Duff, all in the Baronetage of the United Kingdom. Two of the creations are extinct while one is extant.
Assheton-Smith, later Duff baronets, of Vaynol Park (1911)
The Assheton-Smith, later Duff Baronetcy, of Vaynol Park in the County of Carnarfon, was created in the Baronetage of the United Kingdom on 1 August 1911 for Charles Garden Assheton-Smith. The title became extinct on the death of the third Baronet in 1980.- Sir Charles Garden Assheton-Smith, 1st Baronet
- Sir Robert George Vivian Duff, 2nd Baronet
- Sir (Charles) Michael Robert Vivian Duff, 3rd Baronet
Duff baronets, of Hatton (1952)
The Duff Baronetcy, of Hatton in the County of Aberdeen, was created in the Baronetage of the United Kingdom on 3 July 1952 for Garden Beauchamp Duff. He was a descendant of Garden William Duff, whose younger brother Robert George Duff was the ancestor of 1911 baronets of Vaynoll Park. The Earls Fife were members of another branch of this family. The title became extinct on Sir Garden Beauchamp Duff's death in 1952.- Sir Garden Beauchamp Duff, 1st Baronet