Reuven Shari (Hebrew: ראובן שרי, 7 April 1903 – 6 July 1989) was a Russian-born Israeli politician.

Born Reuven Shraibman in Comrat in the Bessarabia Governorate of the Russian Empire (now in Moldova), Shari received a traditional Hebrew primary education, before attending high school in Chişinău.

He later studied law at university and was amongst the founders of the Romanian branch of Tzeiri Zion.

In the same year he became a member of Jerusalem City Council, and served as Deputy Mayor until 1951.

Shari also served as Israel's civil service commissioner.