Dempsey is both a surname and a given name.
Dempsey may also refer to:
Animals Dempsey (dog) (1986–2003), an American pit bull terrier involved in British muzzling laws Jack Dempsey (fish), a North and Central American fish
Culture Dempsey and Makepeace, a British television crime drama (1984–1986) Dempsey (film), a 1983 TV movie based on the life of the boxer Jack Dempsey
Places Dempsey, Idaho Dempsey, West Virginia Dempsey Road, a road in Tanglin, Singapore Dempsey Store, a defunct hardware store that is a historic site in Toronto, Canada Dempsey Wood House, a historic building in North Carolina, United States
Ships , the name of more than one United States Navy ship
Others Dempsey, the code name for a version of Intels Dual-Core Xeon CPU