| Official Name: | Tashsu |
| Native Name: | Ташсу |
| Native Name Lang: | tt |
| Settlement Type: | Village |
| Pushpin Map: | Russia Tatarstan |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Type1: | Region |
| Subdivision Name1: | Tatarstan |
| Subdivision Type2: | County |
| Subdivision Type3: | District |
| Subdivision Name3: | Vysokogorsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +3:00 |
Tashsu (Tatar: Ташсу|translit=Taşsu; Russian: Ташсу) is a rural locality (a village) in Vysokogorsky District, Tatarstan, Russia. The population was 101 as of 2010.[1] Tashsu is located northwest of Vysokaya Gora, the district's administrative centre, and north of Kazan, the republic's capital, by road.[1] [2]
The earliest known record of the settlement dates from the 17th century. Its name derived from words taş (stone) and su (water).[3] It forms part of the district since 1965.
There are three streets in the village.[4]
The village is the birthplace of Sadri Maqsudi, a politician, and his brother, a linguist and journalist.[1]