| Type: | village |
| Province: | Kütahya |
| District: | Simav |
| Gümüşsu | |
| Population Total: | 560 |
| Population As Of: | 2022 |
| Coordinates: | 39.1403°N 28.885°W |
| Elevation M: | 790 |
| Postal Code: | 43500 |
| Area Code: | 0274 |
Gümüşsu (formerly: Kelem Yenice)[1] is a village in the Simav District of Kütahya Province, Turkey.[2] Its population is 560 (2022).[3] Before the 2013 reorganisation, it was a town (belde).[4] Gümüşsu is located 12 kilometres away from Simav.