Duffy

People

• Duffy - people with the surname Duffy, O'Duffy or Duffey
• Duffy , Welsh singer, born Aimée Ann Duffy
• Duffy Lyon (1929–2011), American farmer and butter sculptor

Other

• Duffy, Australian Capital Territory, suburb of Canberra, Australia
• Duffy Fairgrounds, stadium in New York, United States
• USS Duffy , US Navy destroyer
• Duffy antigen system, a type of cell marker proteins and the gene which codes for them
• Duffy & Partners, international branding and design firm in Minneapolis, Minnesota
• Duffy the Disney Bear, an anthropomorphic teddy bear character featured at Disney theme parks