| Elmalı-2 Dam | |
| Location: | Istanbul, Turkey |
| Construction Began: | 1952 |
| Opening: | 1955 |
| Res Capacity Total: | 10,000,000 m³ |
| Res Surface: | 3 km² |
| Status: | O |
| Purpose: | Freshwater |
| Dam Type: | G |
| Dam Volume: | 103,000 m³ |
| Dam Height Foundation: | 42 m |
Elmalı-2 Dam is a dam in Istanbul, Turkey. The development was backed by the Turkish State Hydraulic Works. Construction on the concrete dam began in 1952, and finished in 1955. It is still in operation.[1]