| Sankt Thomas | |
| Pushpin Map: | Austria |
| Pushpin Mapsize: | 270 |
| Pushpin Map Caption: | Location within Austria |
| Mapsize: | 260x260px |
| Coordinates: | 48.2858°N 13.8819°W |
| Subdivision Type: | Country |
| Subdivision Name: | Austria |
| Subdivision Type1: | State |
| Subdivision Name1: | Upper Austria |
| Subdivision Type2: | District |
| Subdivision Name2: | Grieskirchen |
| Parts Style: | para |
| Leader Title: | Mayor |
| Leader Name: | Josef Lehner |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Registration Plate: | GR |
| Postal Code Type: | Postal code |
| Postal Code: | 4732 |
| Area Code Type: | Area code |
| Area Code: | 07277 |
| Website: | www.sankt-thomas.at |
Sankt Thomas is a municipality in the district of Upper Austria.
Sankt Thomas lies in the Hausruckviertel. About 10 percent of the municipality is forest, and 82 percent is farmland.