| Official Name: | Gudachi |
| Native Name: | Гудачи |
| Settlement Type: | Settlement |
| Pushpin Map: | Russia Amur Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Amur Oblast |
| Subdivision Name3: | Magdagachinsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +9:00 |
| Coordinates: | 53.6833°N 138°W[1] |
Gudachi (Russian: Гудачи) is a rural locality (a settlement) and the administrative center of Gudachinskoye Rural Settlement of Magdagachinsky District, Amur Oblast, Russia. The population was 372 as of 2018.[2] There are 9 streets.
Gudachi is located on northwest on the Amur–Zeya Plain, 55 km northwest of Magdagachi (the district's administrative centre) by road. Gonzha is the nearest rural locality.[3]