Lucy Aldrich Rockefeller Waletzky (born 1941) is an American philanthropist and environmentalist. She is the daughter of Laurance Spelman Rockefeller (1910–2004) and Mary French (1910–1997), and a fourth-generation member of the Rockefeller family. Waletzky served on the board of the Friends of the Rockefeller State Park Preserve from 1997 to 2006. She received the Governor's Parks and Preservation Award in 2004.