55%RatingSave Gender Masculine Usage English (Rare) Pronounced Pron. /ˈdʌf/ [key·simplify] Meaning & History From a Scottish or Irish surname, derived from Anglicized spellings of Gaelic dubh meaning "dark". Related Names RootDuff (surname)User SubmissionDuff PopularityDetails Last ranked #943 in 1882 United States People think this name isRate·Details informal common strong rough strange simple Categories bass guitarists, body parts, Charles Dickens characters, currently out of the US top 1000, dark, Disney characters, Kim Possible characters