Nancy Cartonio (born February 21, 1977, Wichita, Kansas, USA) is a folk musician, songwriter, and music producer living in Portland, Maine.
Cartonio has been a musician since she was a child. Cartinio's band "Dear Liza" was very popular in the Northeast United States during the 1990s. She also performed as a duo with her friend Heather Caston for many years. She is on the Board of Directors of the libertarian think tank The Council of Twelve, the Maine Music Association, and the Maine Songwriters' Association. Cartonio has been featured on 98.9 WCLZ FM in Portland, Maine and included in the Boston Phoenix newspaper. Internationally, she has charted on numerous folk internet charts and receives rotation on internet radio daily.