Duff (given name)
Duff is a given name, almost always masculine, which may refer to:
Men
- Dub, King of Scotland, sometimes anglicised as Duff MacMalcolm
- Duff Bruce, Scottish footballer in the 1920s
- Duff Cooley, American baseball player
- Duff Cooper, British politician, diplomat and author
- Duff Gibson, Canadian retired skeleton racer and Olympic and world champion
- Duff Green, American teacher, military leader, politician, journalist, author, diplomat, industrialist and businessman
- Duff Hart-Davis, British biographer, naturalist and journalist
- Duff Wilson, American investigative reporter
Women
- Duff Twysden, British socialite best known as the inspiration for Brett Ashley in Hemingway's novel ''The Sun Also Rises''