| Tecșe | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Covasna County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Valea Zălanului |
| Length: | 13km (08miles) |
| Source1: | Baraolt Mountains |
| Mouth: | Aita |
| Mouth Coordinates: | 46.0024°N 25.6646°W |
| Progression: | Aita→ |
| Basin Size: | 47km2 |
| Tributaries Left: | Anaș |
The Tecșe (in its upper course also: Nireș) is a left tributary of the river Aita in Romania. It flows into the Aita south of Aita Seacă. Its length is 13km (08miles) and its basin size is 47km2.
The following rivers are tributaries to the river Tecșe (from source to mouth):