Yosef Aluf Avidar (7 May 1906 – 13 September 1995) was an Israeli statesman, Haganah commander, author and ambassador to Argentina and the Soviet Union.

[1] Avidar was born on 7 May 1906 as Yosef Rochel[2] in Kremenets in the Russian Empire and in what is now modern-day Ukraine.

[4] Avidar became a senior commander in a Jewish paramilitary organization called the Haganah.

[5] Placed in control of the supply programs,[4] he was responsible for the idea and of constructing an underground ammunition factory called the Ayalon Institute, which was a major supplier of arms to the Haganah.

[7] Avidar was the Israeli quartermaster during the 1948 Arab–Israeli War and later served as the Israel Defense Forces' deputy chief of staff.