Tansy \t(a)-nsy, tan-sy\ as a girl's name is of Greek origin, and the meaning of Tansy is "eternal life". Also the name of an unusual herb. Used mostly since the 1960s.

Tansy has 8 variant forms: Tanazia, Tandie, Tandy, Tansee, Tansey, Tansia, Tanzey and Tanzia.

Baby names that sound like Tansy are Tanis and Danise.