Steckborn District
Steckborn District is a former district of the canton of Thurgau, Switzerland. It had a population of . Its capital was the town of Steckborn.
The former district contained the following municipalities:
| Coat of arms | Municipality | Population | Area km² |
| Berlingen | 4.0 | ||
| Eschenz | 12.0 | ||
| Herdern | 13.7 | ||
| Homburg | 24.1 | ||
| Hüttwilen | 17.6 | ||
| Mammern | 5.5 | ||
| Müllheim | 8.7 | ||
| Pfyn | 13.0 | ||
| Raperswilen | 7.7 | ||
| Salenstein | 6.6 | ||
| Steckborn | 8.8 | ||
| Wagenhausen | 11.2 |