Yaakov Dori
| Yaakov Dori | |
|---|---|
| Dori in 1949 | |
| Native name | יַעֲקֹב דּוֹרִי | 
| Birth name | Yaakov Dostrovsky | 
| Born | October 8, 1899 Odessa, Russian Empire | 
| Died | January 22, 1973 (aged 73) Haifa, Israel | 
| Allegiance | United Kingdom Israel | 
| Service | Haganah British Army (World War I) Israel Defense Forces | 
| Years of service | 1917–1949 | 
| Rank | Rav Aluf (highest rank) | 
| Commands | Chief of Staff of the Haganah IDF Chief of Staff | 
| Battles / wars | World War I 1948 Arab-Israeli War | 
Yaakov Dori (Hebrew: יַעֲקֹב דּוֹרִי; October 8, 1899 – January 22, 1973), born Yaakov Dostrovsky, was the first Chief of Staff of the Israel Defense Forces (IDF). He was also the President of the Technion – Israel Institute of Technology.