Tansey is a surname. Notable people with this surname include:
Charlotte Tansey (c. 1922–2010), Canadian academic Gerry Tansey, English football player Greg Tansey (born 1988), English football player Jim Tansey (born 1953), Australian football player Jimmy Tansey (1929–2012), English football player John Tansey (1901–1971), American actor Jordan Tansey (born 1986), English rugby league player Luraine Tansey (1918–2014), American slide librarian Marie Tansey (1930–2016), American politician Mark Tansey (born 1949), American painter Paul Tansey (1949-2008), Irish journalist Sarah Tansey (born 1972), British actress Seamus Tansey (1943–2022), Irish flute player Tilli Tansey (born 1953), British historian of medical science
Given name Tansey Coetzee (born 1984), South African beauty pageant titleholder
Places Tansey, Queensland, a town and locality in the Gympie Region, Queensland, Australia
See also Tansy, a plant Tansley, a village in Derbyshire