Giffen is a surname. Notable people with the surname include:
Brad Giffen, Canadian television reporter, anchor and radio personality George Giffen (1859–1927), Australian cricketer James Giffen, American businessman Keith Giffen (born 1952), American comic book illustrator and writer Robert C. Giffen (1886–1962), United States Navy admiral Robert Giffen (1837–1910), British statistician and economist Walter Giffen (1861–1949), Australian cricketer
See also Giffen good, in economics and consumer theory Barony and Castle of Giffen Giffen railway station, in Scotland