The tansy is a plant.
Tansy may also refer to:
Tansy beetle (Chrysolina graminis), a species of leaf beetle which feeds on tansy Tansy cakes, medieval English dessert Tansy Davies (born 1973), British composer Tansy Rayner Roberts (born 1978), Australian fantasy writer Tansy Saylor, a main character in Conjure Wife, a supernatural horror novel by Fritz Leiber Tansy Taylor, in the film adaptation Night of the Eagle Teton River (Montana), also known as the Tansy River Tansy (film), a 1921 British silent drama