Joanne Osborne is an American politician and a Republican member of the Arizona House of Representatives representing District 13 since January 14, 2019. Osborne was elected in 2018 defeating Republican incumbent State Representative Darin Mitchell in the Republican primary. Osborne is a native of Goodyear, Arizona, and served on the Goodyear City Council for 10 years, in addition to serving as the Vice Mayor of Goodyear from 2011 to 2013. She was also a member of the Goodyear Planning & Zoning Commission.