Alauddin Ahmed Chowdhury Nasim (born 7 November 1961) is a Bangladesh Awami League politician and a former Jatiya Sangsad member representing the Feni-1 constituency in 2024.

Later he joined the administration cadre of the Bangladesh Civil Service.

In 2008, he took voluntary retirement while holding the post of deputy secretary and concentrated on various business ventures.

[4] Following the fall of the Sheikh Hasina led Awami League government, Chowdhury's home in Feni was burned down and vandalized in February 2025.

[5] Nasim served as the deputy secretary (OSD) of the Establishment Ministry and an assistant personal secretary to the then prime minister, Sheikh Hasina, until 2007.