Anwar Hossain Manju (born 9 February 1944)[2] is a Bangladeshi politician who is a former Jatiya Sangsad member representing Pirojpur-2 constituency which consists of Kawkhali, Bhandaria and Zianagar upazilas until January 2024.

He pursued further studies in international relations at Georgetown University in Washington, D.C.[6] Manju was the minister of energy and mineral resource of Bangladesh from 1985 to 1988 under Hossain Mohammad Ershad.

In a January 2018 cabinet reshuffle, he moved from the Ministry of Environment and Forest to become the Minister for Water Resources.

[10] In April 2007, as part of the caretaker government's anti-graft crackdown, National Board of Revenue (NBR) directed all the banks to submit transaction data of 71 individuals including Manju, his wife and his four daughters.

[11] According to NBR, Manju bought a BMW using the parliamentarian membership privilege of importing duty-free cars.

[13] On 26 June 2007, Manju was sentenced to five years of imprisonment and fined Tk 10,000 for possessing 21 bottles of liquor at his Dhanmondi residence.

[15] A biographical detailed documentary film is made for Anwar Hossain Manju which is named as 'Iron Man' directed by Kamrul Hasan Nasim.