Mahfuzul Mamun Babu (; born 7 January 1968) is a retired Bangladeshi football player who played as a left-winger. He represented the Bangladesh national team from 1985 to 1988.
Mamun Babu began his career with his neighborhood club, Gendaria Famous, in the Pioneer Football League. In 1982, he debuted in the First Division with East End Club. In 1984, he moved to Brothers Union, where he spent the next eight years of his career. In 1985, he was part of the Brothers Union team that finished as league runners-up and scored in the decisive game against Dhaka Abahani, alongside Mahmudul Haque Liton, in a match his team lost 2âÂÂ3.
In 1984, Mamun Babu represented the Bangladesh U19 team at the 1985 AFC Youth Championship qualification held in Dhaka, Bangladesh. He made his senior international debut on 21 December 1985 against Pakistan in the 1985 South Asian Games in Dhaka, scoring a brace in a 2âÂÂ1 victory. In the following match against Maldives he scored in a 8âÂÂ0 victory. The Bangladesh team eventually lost the gold medal match on penalties to India. The following year, Mamun Babu was part of the national team at the 1986 Asian Games held in Seoul, South Korea. However, he did not appear in a single match during the tournament. His final appearances for the national team came during the 1988 AFC Asian Cup qualifiers held in Abu Dhabi, UAE.
In March 2024, he was one of the eleven sportspersons selected to potentially receive the National Sports Awards.