Perizoma obsoletata is a species of moth of the family Geometridae. It is found in the Pyrenees, the Massif Central, the Apennine Mountains, on Corsica, in the Alps and Swiss Prealps, the Jura Mountains, the Black Forest, the Swabian Jura, the Sudetes, the High Tatras, the Carpathian Mountains and the mountains of the Balkan Peninsula.