Flett is a surname, and may refer to:
Andy Flett (born 1971), singer, songwriter and musician Bill Flett (1943–1999), professional hockey player Dave Flett (born c. 1950), British rock guitarist Doug Flett (1935–2019), Australian songwriter with Guy Fletcher George Flett (1817–1897), Presbyterian missionary in northern Canada Jack Flett (1871–1932), Canadian lacrosse player James Flett (1906–1986), Australian painter and author John Flett (geologist) (1869–1947), Scottish physician and geologist John Flett (rugby union) (born 1963), Australian rugby union player John Flett (fashion designer) (1963–1991), British fashion designer Kathryn Flett (born 1964), British TV critic and Grumpy Old Woman Keith Flett (born 1956), socialist historian Penny Flett (1947–2025), Australian geriatric medical specialist Rod Flett (1873–1927), Canadian Métis ice hockey player Steve Flett (born 1972), singer, songwriter and musician Sze Flett, Australian scientist Thomas Muirhead Flett (1923–1976), English mathematician Una Flett (1939–2021), Scottish writer and ballerina William H. Flett (1856–1911), American politician William Roberts Flett, Scottish geologist and author William Robertson Flett, Canadian politician Winona Flett (1884–1922), Canadian suffragist and social reformer
See also Flett Glacier