Mantralayam Assembly constituency is a constituency in Kurnool district of Andhra Pradesh that elects representatives to the Andhra Pradesh Legislative Assembly in India. It is one of the seven assembly segments of Kurnool Lok Sabha constituency.
Y. Balanagi Reddy is the current MLA of the constituency, having won the 2024 Andhra Pradesh Legislative Assembly election from YSR Congress Party. As of 2019, there are a total of 187,011 electors in the constituency. The constituency was established in 2008, as per the Delimitation Orders (2008).