Bill Mamadou

Bill Mamadou

Bill warming up for Lion City Sailors in 2024
Personal information
Full name	Bah Bill Abuza Mamadou
Date of birth	(2001-09-08) 8 September 2001 (age 24)
Place of birth	Singapore
Position(s)	Defender
Team information
Current team	Nakhon Ratchasima
Number	3
Youth career
	National Football Academy
Senior career*
Years	Team	Apps	(Gls)
2019–2025	Lion City Sailors	22	(0)
2020–2021	→ Young Lions (loan)	8	(0)
2025	→ Young Lions (loan)	8	(0)
2025–	Nakhon Ratchasima	5	(0)
International career
2017	Singapore U17
2023–2025	Singapore U23	7	(0)
* Club domestic league appearances and goals as of 14 May 2021 (UTC)

Bah Bill Abuza Mamadou (born 8 September 2001) is a Singaporean professional footballer who plays as a defender for Thai League 1 club Nakhon Ratchasima and the Singapore under-23 national team.

Primarily a centre-back, Bill is also capable of playing either as a full-back or midfielder. He is the son of former footballer Bah Mamadou.

Club career

Lion City Sailors

In 2019, Bill was promoted to the Home United senior team and played a total of 3 matches for the club for the 2019 season.

Loan to Young Lions

While serving the compulsory National Service, Bill joined the Young Lions on loan for two years from 2020 to 2021. ^[1]

Return to Lion City Sailors

Bill returned to his parent club which is currently privatised and revamp as Lion City Sailors after his completion from National service commitments. He made his season debut against Tanjong Pagar United in a 7-0 at the Jalan Besar Stadium on 13 August 2022 for their second big-margin win for the season. ^[2] For the match against Albirex Niigata (S), Harris was suspended and Pedro was injured for the match, which resulted in Bill starting the 1st of many matches for the season. ^[3]

Loan back to Young Lions

On 21 February 2025, it was announced that Bill would rejoin Young Lions on a second stint on loan for the remainder of the 2024–25 season to get more playing time. ^[4] Bill made a total of 11 appearances for the club, 8 in the league and 3 in the Singapore Cup.

Nakhon Ratchasima

Following the expiry of this contract with Lion City Sailors, Bill joined Thai League 1 side Nakhon Ratchasima on 14 June 2025. ^[5] He make his debut for the club in a goalless draw on 16 August against Chonburi.

International career

Bill is eligible to represent Singapore or Mali due to his dad native origins. He represents Singapore Under-23 team in the 2023 Merlion Cup, 2023 SEA Games and the 2024 AFC U-23 Asian Cup qualification.

Personal life

Bill is the son of former footballer and S.League legend, Bah Mamadou. He is of African descent through his father who was born in Mali. His dad formerly played for S.League clubs including Gombak United, Balestier Khalsa, and Woodlands Wellington.

Career statistics

Club

As of match played 24 Aug 2025 ^[6]

Appearances and goals by club, season and competition

Club	Season	League			National cup		League cup		Continental		Other		Total
		Division	Apps	Goals	Apps	Goals	Apps	Goals	Apps	Goals	Apps	Goals	Apps	Goals
Home United	2019	Singapore Premier League	3	0	0	0	0	0	0	0	—		3	0
Lion City Sailors	2020	Singapore Premier League	0	0	0	0	0	0	0	0	—		0	0
	2021	Singapore Premier League	0	0	0	0	0	0	0	0	—		0	0
	2022	Singapore Premier League	7	0	1	0	0	0	0	0	—		8	0
	2023	Singapore Premier League	7	0	2	0	0	0	0	0	—		9	0
	2024–25	Singapore Premier League	5	0	0	0	0	0	2 [a]	0	1 [b]	0	8	0
	Total		19	0	3	0	0	0	2	0	1	0	25	0
Young Lions (loan)	2020	Singapore Premier League	6	0	0	0	0	0	—		—		6	0
	2021	Singapore Premier League	2	0	0	0	0	0	—		—		2	0
	Total		8	0	0	0	0	0	0	0	0	0	8	0
Young Lions (loan)	2024–25	Singapore Premier League	8	0	3	0	0	0	—		—		11	0
Nakhon Ratchasima	2025–26	Thai League 1	2	0	0	0	0	0	—		—		2	0
Career total			40	0	6	0	0	0	2	0	1	0	49	0

Notes

• Young Lions are ineligible for qualification to AFC competitions in their respective leagues.

1. Appearance(s) in AFC Champions League Two
2. Appearance(s) in ASEAN Club Championship

International

U23 International caps

No	Date	Venue	Opponent	Result	Competition
1	24 March 2023	Jalan Besar Stadium, Jalan Besar, Singapore	Hong Kong	0–1 (lost)	Merlion Cup
2	26 March 2023	Jalan Besar Stadium, Jalan Besar, Singapore	Cambodia	1–2 (lost)	Merlion Cup
3	29 April 2023	Prince Stadium, Phnom Penh, Cambodia	Thailand	1–3 (lost)	2023 SEA Games
4	3 May 2023	Prince Stadium, Phnom Penh, Cambodia	Vietnam	1–3 (lost)	2023 SEA Games
5	6 Sept 2023	Việt Trì Stadium, Phú Thọ, Vietnam	Yemen	0-3 (lost)	2024 AFC U-23 Asian Cup qualification
6	9 Sept 2023	Việt Trì Stadium, Phú Thọ, Vietnam	Guam	1-1 (draw)	2024 AFC U-23 Asian Cup qualification

Honours

Club

Lion City Sailors

• Singapore Cup: 2023
• Singapore Community Shield: 2022, 2024

References

1. "Bill Mamadou joins Young Lions". Singapore Premier League. 18 October 2020. Retrieved 14 June 2025.
2. "Bill Mamadou – another substitute – also did his part with a superb intervention to deny Khairul Nizam".
3. "Out of form, depleted and on the brink, but Lion City Sailors vow to fight till the end ynwa".
4. "Bill Mamadou joins Young Lions on loan". Lion City Sailors. 21 February 2025. Retrieved 14 June 2025.
5. "นครราชสีมา มาสด้าฯ คว้า กองหลังดีกรีทีมชาติสิงคโปร์ ยู-23". Ball Thai (in Thai). 14 June 2025. Retrieved 17 June 2025.
6. Bill Mamadou at Soccerway . Retrieved 14 January 2020.