Uster District is one of the twelve districts of the canton of Zürich, Switzerland. Its capital is the city of Uster. The German-speaking district has a population of 135,234 (as of 31 December 2020).
Uster contains a total of ten municipalities:
47°21′N 8°41′E / 47.350°N 8.683°E / 47.350; 8.683