| Adnan Ersöz | |
| Birth Date: | 1917 |
| Birth Place: | Sarıyer, Ottoman Empire |
| Death Place: | Göztepe, Kadıköy, Istanbul, Turkey |
| Office: | Head of the National Intelligence Organization (MIT) |
| Term Start: | 13 July 1978 |
| Term End: | 19 November 1979 |
| Predecessor: | Hamza Gürgüç |
| Successor: | Bülent Türker |
| Office1: | Commander of the First Army of Turkey |
| Term Start1: | 25 August 1975 |
| Term End1: | 30 August 1977 |
| Predecessor1: | Hüseyin Doğan Özgöçmen |
| Successor1: | Nurettin Ersin |
| Allegiance: | Turkey |
| Branch: | Turkish Army |
| Serviceyears: | 1936 - 1977[1] |
| Rank: | General |
Adnan Ersöz (1917 - 13 October 1991) was a Turkish general, serving as Army General from 1973 to 1977. He was assassinated in 1991. He was Commander of the First Army of Turkey (1975 - 1977) and, after his retirement, head of the National Intelligence Organization (1978 - 1979).[2]