Hassan Al-Mamun (Bengali: হাসান আল-মামুন; born 16 December 1978) is a Bangladeshi former professional footballer who played as a defender.

The following few year saw Mamun establish a regular position in the national team, winning gold in the 1999 South Asian Games along the way.

Anwar Parvez and Mamun's full-back partnership is seen as one of the main reasons Bangladesh won the trophy, as the team played with two strikers and no wingers during the tournament knockout stage.

[9] However, during the final against Maldives, with captain Rajani Kanta Barman suspended Mamun played as a centre back while also wearing the captaincy armband.

[10] In 2007, Mamun captained Bangladesh over two legs against Tajikistan during the 2010 FIFA World Cup qualification – AFC first round.