Shemshak
| Shemshak Persian: شمشک | |
|---|---|
| City | |
| Coordinates: 36°00′56″N 51°29′10″E / 36.01556°N 51.48611°E | |
| Country | Iran | 
| Province | Tehran | 
| County | Shemiranat | 
| District | Rudbar-e Qasran | 
| Population  (2016) | |
|  • Total | 3,423 | 
| Time zone | UTC+3:30 (IRST) | 
Shemshak (Persian: شمشک) is a city in Rudbar-e Qasran District of Shemiranat County, Tehran province, Iran. A suburb of Tehran, Shemshak was established upon the merger of the former villages of Darband Sar, Darrud, Jirud, Sefidestan, Shemshak-e Bala, and Shemshak-e Pain.