| Světec | |
| Settlement Type: | Municipality |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Ústí nad Labem |
| Subdivision Type2: | District |
| Subdivision Name2: | Teplice |
| Pushpin Map: | Czech Republic |
| Pushpin Relief: | 1 |
| Pushpin Map Caption: | Location in the Czech Republic |
| Coordinates: | 50.5761°N 13.8117°W |
| Established Title: | First mentioned |
| Established Date: | 1209 |
| Area Total Km2: | 12.34 |
| Elevation M: | 210 |
| Population As Of: | 2024-01-01 |
| Population Footnotes: | [1] |
| Population Total: | 972 |
| Population Density Km2: | auto |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 417 53 |
Světec (German: Schwaz) is a municipality and village in Teplice District in the Ústí nad Labem Region of the Czech Republic. It has about 1,000 inhabitants.
Světec lies approximately 7km (04miles) south of Teplice, 19km (12miles) south-west of Ústí nad Labem, and 69km (43miles) north-west of Prague.
The villages of Chotějovice, Štrbice and Úpoř are administrative parts of Světec.