Harnath Bain () is an Awami League politician and a former member of parliament for Bakerganj-12.
Career Bain was elected to parliament from Bakerganj-12 as an Awami League candidate in 1973.
Bain contested the 1991 parliamentary election from Barisal-2 as an Awami League candidate and lost the election to the Workers Party of Bangladesh candidate, Rashed Khan Menon.
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