Triboltingen is a small village in the canton of Thurgau in Switzerland, situated on the south shore of the Untersee part of Lake Constance. Since 1975, it is politically part of Ermatingen.

Triboltingen railway station on the Lake Line is served by the S1 of St. Gallen S-Bahn.

47°39′36″N 9°06′40″E / 47.660°N 9.111°E / 47.660; 9.111