Uetendorf is a municipality in the administrative district of Thun in the canton of Bern in Switzerland. Uetendorf is close to the city of Thun, and connected to traffic through the A6 motorway and the BLS AG's Thun-Belp-Bern railway line. Due to its favourable geographic situation, it is home to several small to medium-sized industry companies, most notably the "Sarner Cristal" Glass Hut.