Arizona Lady is an operetta in two acts by Hungarian composer Emmerich Kálmán. The libretto was written by Alfred Grünwald and Gustav Beer. It premiered, as a broadcast in Munich on 1 January 1954, and on stage in Bern, at the Stadttheater, on 14 February 1954. Left unfinished at the time of Emmerich Kalman’s death, it had been completed by his son, Charles Kalman. It was given its American premiere, in a new English translation by Gerald Frantzen and Hersh Glagov, by Chicago Folks Operetta in July 2010, at Stage 773 in Chicago, Illinois.