PROTON 2
| Launched | 1 November 1965 |
| Flight ended | 5 February 1966 |
| Status | Decayed |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 1701 |
| COSPAR ID | 1965-087A |
| Observing |