Frauenfeld District
Frauenfeld District is one of the five districts of the canton of Thurgau, Switzerland. It has a population of . 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.
The district contains the following municipalities:
| Coat of arms | Municipality | Population | Area km2 |
| Basadingen-Schlattingen | 15.7 | ||
| Berlingen | 4.0 | ||
| Diessenhofen | 10.0 | ||
| Eschenz | 12.0 | ||
| Felben-Wellhausen | 7.3 | ||
| Frauenfeld | 27.4 | ||
| Gachnang | 9.7 | ||
| Herdern | 13.7 | ||
| Homburg | 24.1 | ||
| Hüttlingen | 11.6 | ||
| Hüttwilen | 17.6 | ||
| Mammern | 5.5 | ||
| Matzingen | 7.7 | ||
| Müllheim | 8.7 | ||
| Neunforn | 11.4 | ||
| Pfyn | 13.0 | ||
| Schlatt TG | 15.5 | ||
| Steckborn | 8.8 | ||
| Stettfurt | 6.4 | ||
| Thundorf | 15.6 | ||
| Uesslingen-Buch | 14.0 | ||
| Wagenhausen | 11.2 | ||
| Warth-Weiningen | 8.3 | ||
| Total | 279.6 |