A. S. M. Abdur Rab is a Bangladeshi politician. He is the founder secretary general of the Jatiya Samajtantrik Dal. In 1985, Rab and his followers left the party and formed a new party Jatiya Samajtantrik Dal-JSD, known as JSD (Rab). He served as the Jatiya Sangsad Member from Lakshmipur-4 and the Minister of Shipping and later the Minister of Fisheries and Livestock during 1996-2001 of the first Sheikh Hasina Cabinet.

The Jatiya Samajtantrik Dal is a political party in Bangladesh. The party was founded by Serajul Alam Khan. The party was very dominant during 1972–1975 Bangladesh insurgency.