Gwendolyn "Gwen" Gillen (January 6, 1941 – January 27, 2017) was an American sculptor and artist. Her best known works include a bronze sculpture of actress Mary Tyler Moore tossing her Tam o' shanter hat into the air as a homage to the final scene of opening credits of The Mary Tyler Moore Show. Gillen's life-size sculpture of Moore, dedicated in 2002 on the Nicollet Mall in downtown Minneapolis, is one of the city's most recognizable landmarks and a "symbol of Minneapolis". Her other well known pieces include a 4-foot bronze sculpture of Gertie the Duck, which was installed on the Wisconsin Avenue bridge in Milwaukee in 1997.