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Look up du#Breton in Wiktionary, the free dictionary.
Le Duff is a surname, and may refer to;
Le Duff derives from du which means black in Breton. It is a sobriquet applying to a black hair person or a person with black complexion. Diminutives of this surname are; Le Duic, Le Duigo, Le Duigou.
- Louis Le Duff, French businessman, founder of Groupe Le Duff
- Dom Duff, Breton singer-songwriter
- Charlie LeDuff, American journalist, writer, and media personality
- Christelle Le Duff, French rugby player
- Séverin Le Duff de Mésonan, French politician
- Groupe Le Duff, a French restaurant conglomerate