Alexander Bronstein (Russian: Бронштейн Александр Михайлович; born 15 June 1954, in Leningrad, USSR) is a businessperson.

He is son of academic and World War II veteran ru:Бронштейн, Михаил Лазаревич (Mikhail Bronstein).

He held a number of key posts within the metalworking business before becoming a co-founder of Solway Investment Group, managing assets in Central, Eastern Europe, South America and South-Eastern Asia.

He funded the construction of the first Estonian synagogue and Jewish community centre (2005–07) to replace the building destroyed during World War II.

In 2006, Bronstein was one of the six sponsors who pledged support for Israeli orphans whose parents were killed by Hamas troops.