Ansonia may refer to:
Places Ansonia, Ontario, Canada Ansonia, Connecticut, U.S. Ansonia High School (Connecticut) Ansonia station Ansonia, Ohio, U.S. Ansonia High School (Ohio) Ansonia, Pennsylvania, U.S.
Other uses Ansonia (frog), a genus of poisonous toads The Ansonia, a luxury residence on the Upper West Side of Manhattan Ansonia Clock Company