Walding is a municipality in the district of Urfahr-Umgebung, in the Austrian state of Upper Austria. It lies in the northern part of the country, within the Mühlviertel region north of the city of Linz.
As a municipality, Walding is one of the constituent local administrative units of the Urfahr-Umgebung district. The district surrounds Linz on its northern side, and Walding forms part of this area of Upper Austria.