Frauenfeld District is one of the five districts of the canton of Thurgau, Switzerland. It has a population of 69,773 (as of 31 December 2020).^[1] Its capital, and the capital of Thurgau, is the city of Frauenfeld. The district shares borders with canton Zurich and canton Schaffhausen as well a river border with the German enclave of Büsingen am Hochrhein.

Frauenfeld District Bezirk Frauenfeld
District
Country	Switzerland
Canton	Thurgau
Capital	Frauenfeld
Area
• Total	279.6 km2 (108.0 sq mi)
Population  (2020)
• Total	69,773
• Density	250/km2 (650/sq mi)
Time zone	UTC+1 (CET)
• Summer (DST)	UTC+2 (CEST)
Municipalities	23

The district contains the following municipalities:

Coat of arms	Municipality	Population (31 December 2020)[1]	Area km2[2]
	Basadingen-Schlattingen	1,818	15.7
	Berlingen	906	4.0
	Diessenhofen	4,085	10.0
	Eschenz	1,868	12.0
	Felben-Wellhausen	2,874	7.3
	Frauenfeld	25,974	27.4
	Gachnang	4,483	9.7
	Herdern	1,117	13.7
	Homburg	1,543	24.1
	Hüttlingen	829	11.6
	Hüttwilen	1,765	17.6
	Mammern	677	5.5
	Matzingen	3,029	7.7
	Müllheim	3,002	8.7
	Neunforn	1,086	11.4
	Pfyn	2,103	13.0
	Schlatt TG	1,814	15.5
	Steckborn	3,840	8.8
	Stettfurt	1,216	6.4
	Thundorf	1,513	15.6
	Uesslingen-Buch	1,096	14.0
	Wagenhausen	1,770	11.2
	Warth-Weiningen	1,365	8.3
	Total (23)	69,773	279.6