Mamunul Islam Mamun (; born 12 December 1988) is a Bangladeshi professional footballer who plays as a midfielder for Bangladesh Football League club Fortis and also played for the Bangladesh national football team from 2009 to 2020 and was captain from 2013 to 2016.
He has won five league titles with three clubs. Mamunul started his career at Brothers Union as a central midfielder. After spending three seasons, he moved to Abahani Limited Dhaka in 2008âÂÂ09 season and became league champion with Sky Blue Brigade. He joined Mohammedan SC Dhaka the following season. For the 2010âÂÂ11 season, Mamunul moved to Sheikh Jamal Dhanmondi Club and won his second league title. Leaving Sheikh Jamal Dhanmondi Club after the 2011âÂÂ12 season, he played the next season for Muktijoddha Sangsad KC. Then he joined Sheikh Russel KC and won his third league title. In the 2013âÂÂ14 season, he returned to Sheikh Jamal Dhanmondi Club and won two more league titles in the 2013-14 and 2014âÂÂ15 seasons. In the middle of this quest, Atletico de Kolkata signed Mamunul on loan from Sheikh Jamal Dhanmondi Club to play the inaugural season of Indian Super League. After returning to Sheikh Jamal Dhanmondi Club, later he joined his hometown club Chittagong Abahani Limited for a record transfer fee in 2016. After spending two seasons there, the midfielder returned to Abahani Limited Dhaka in 2018. On 6 September 2020, he announced his retirement from international football.
Mamunul started his career in Brothers Union as a central midfielder in the 2005 season.
Mamunul moved to Abahani Limited Dhaka in 2008âÂÂ09 season and became the league champion in that season.
After winning league title with Abahani he moved to their arch-rival Mohammedan SC in 2009âÂÂ10 season and won Federation Cup and Super Cup with them.
Mamunul moved to Sheikh Jamal Dhanmondi Club from Dhaka Mohammedan SC in 2010âÂÂ11 season. In his first season with Sheikh Jamal DC he became the league champion.
Mamunul played 2011âÂÂ12 season for Muktijoddha Sangsad KC.
Mamunul went to Sheikh Russel KC from Muktijoddha Sangsad KC. And won the league, Federation Cup and Independence Cup in 2012âÂÂ13 season.
2013âÂÂ14 season Mamunul returned to Sheikh Jamal DC. The club became the league champion under Mamunul's captaincy. His success at the club continued as they went on to win the league again in 2014âÂÂ15 season.
Mamunul made his debut in the inaugural season of the Indian Super League, representing Atlético de Kolkata on a three-month loan from Sheikh Jamal Dhanmondi Club, becoming the only South Asian player outside India to secure a spot in the first season of the league. In 2014, he caught the attention of Indian football enthusiasts with a remarkable performance in the IFA Shield, where he led Sheikh Jamal Dhanmondi Club, one of the three foreign clubs participating in the tournament, all the way to the finals. Despite his promising talents, Mamunul did not receive an opportunity to start for Atlético de Kolkata in the ISL.
Ending his stint at Sheikh Jamal DC Mamunul Islam joined his hometown club, Chittagong Abahani on a national record fee of taka 65 lakh. He played two seasons there. And he captained the team in his first season.
After ten long years at several clubs, Mamunul finally returned to Sky Blue Brigade in 2018. He played a veteran role in the team and helped them with his vast experience.
On 17 November 2021, Mamunul returned to Dhaka Mohammedan SC after 11 years.
On 17 April 2022, Mamunul joined relegation fighting Rahmatganj MFS.
Brothers Union
Abahani Limited
Mohammedan Sporting Club
Sheikh Russel KC
Sheikh Jamal Dhanmondi Club
Chittagong Abahani Limited
Atlético de Kolkata
Bangladesh U-23