The Singapore national under-23 football team is the national under-23 association football team of Singapore. The team comes under the organisation of the Football Association of Singapore (FAS).
The 2012 Hassanal Bolkiah Trophy was the fourth edition of the invitational tournament hosted by Brunei. The tournament took place in Brunei between 25 February and 5 March 2012. The competition is for players under the age of 22 and is being held only for the fourth time after 2002, 2005 and 2007. The tournament was not held in 2009 following the suspension imposed on the Brunei Amateur Football Association (BAFA) by FIFA. The organisers of the Hassanal Bolkiah Trophy 2012 have offered US$15,500 as reward for the champions. Originally, all ASEAN teams were supposed to participate at Hassanal Bolkiah Trophy 2012. However, Thailand eventually withdrew before any match were played.
Muhammad Fakhrul Zulhazmi bin Yussof is a Bruneian footballer who plays as a goalkeeper. He has played for the Brunei national football team on two occasions.
Mohamad Najib bin Haji Tarif is a Bruneian professional footballer who plays as a midfielder or defender for DPMM and the Brunei national team.
The 2014 Hassanal Bolkiah Trophy was the fifth edition of the invitational tournament hosted by Brunei. The tournament take place in Brunei from 9–23 August 2014. Eleven teams from the Asean Football Federation participate in the tournament for under the age of 22. The draw took place on 12 July 2014 at the National Football Association of Brunei Darussalam (NFABD) House. The teams are divided into two groups. Host country, Brunei, were given a chance to choose which group they wished to be drawn in. Brunei chose to be drawn in group B. Indonesia was to confirm its participation in the tournament but was not included in the initial draw. Indonesia's participation was later confirmed by the National Football Association of Brunei Darussalam on 20 July and a second draw was held on 22 July to include Indonesia. Indonesia send its U19 team.
The 2007 Hassanal Bolkiah Trophy is the third edition of the invitational tournament hosted by Brunei. The tournament take place in Brunei from 3–12 March 2007. Eight teams from the ASEAN Football Federation participate in the tournament for under the age of 22.
The 2005 Hassanal Bolkiah Trophy is the second edition of the invitational tournament hosted by Brunei. The tournament take place in Brunei from 12–25 March 2005. Nine teams from the ASEAN Football Federation participate in the tournament for under the age of 22.
The 2002 Hassanal Bolkiah Trophy is the first edition of the invitational tournament hosted by Brunei. The tournament take place in Brunei from 16 to 26 August 2002. Ten teams from the ASEAN Football Federation participate in the tournament for under the age of 22.
Aung Thu is a Burmese professional footballer who plays as an attacking midfielder or a winger for Thai League 1 club Uthai Thani and Myanmar national team. He has represented Myanmar internationally at under-17, under-20, under-23, and senior level. Representing Myanmar at the 2015 FIFA U-20 World Cup in New Zealand, he scored his debut World Cup goal against New Zealand national under-20 football team. Considered one of the best players in the ASEAN, he is known for his dribbling, Positioning, skill, pace, and Vision.
The football tournament at the 2017 SEA Games was in Kuala Lumpur. In addition matches were played in Kuala Lumpur, Shah Alam and Selayang.
Pengiran Yura Indera Putera bin Pengiran Yunos is a Bruneian professional footballer who plays as a defender or midfielder for DPMM FC and the Brunei national team.
Muhammad Haimie bin Abdullah Nyaring, formerly known as Haimie Anak Nyaring, is a Bruneian professional footballer of Iban descent who plays as a goalkeeper for DPMM FC and the Brunei national team.
The 2018 Hassanal Bolkiah Trophy is the sixth edition of the invitational tournament hosted by Brunei, taking place from 23 April to 5 May. A total of 7 teams of the under-22 age group from the Southeast Asian region will be competing for the trophy along with a cash prize of B$20,000 (US$15,200) for the winners, B$10,000 (US$7,600) for the runner-up and B$5,000 (US$3,800) for joint third-place.
Mohammad Khairil Shahme bin Suhaimi is a Bruneian footballer who plays for Kasuka FC and the Brunei national football team as a defender or holding midfielder.
Muhammad Nur Asyraffahmi bin Norsamri is a Bruneian international footballer who plays as a right-sided winger for Kasuka FC.
The 2022 AFF U-23 Championship was the 3rd edition of the AFF U-23 Championship, organised by ASEAN Football Federation (AFF). The tournament was held from 14 to 26 February in Phnom Penh, Cambodia. Indonesia were the defending champions, having won the 2019 edition. The tournament was held amidst the COVID-19 pandemic. Indonesia and Myanmar withdrew from the tournament after several of their players tested positive for COVID-19.
Laskar Muhammad Ishyra Asmin bin Mohammad Jabidi is a Bruneian footballer who plays as a goalkeeper for DPMM FC of the Singapore Premier League and the Brunei national football team.
Mohammad Alinur Rashimy bin Awang Haji Jufri is a Bruneian professional footballer who plays as a full-back or midfielder for Brunei Super League club Kasuka and the Brunei national team.
Muhammad Nazhan bin Zulkifle is a Bruneian professional footballer who plays as a defender for Brunei Super League club Kasuka and the Brunei national team.
Nazirrudin bin Haji Ismail is a Bruneian professional footballer who plays as a midfielder or forward for DPMM FC of the Singapore Premier League and the Brunei national team.
East Timor 
Thailand 
2018 Hassanal Bolkiah Trophy 
