The Rajamangala National Stadium (Thai: ราชมังคลากีฬาสถาน; RTGS: Ratchamangkhala Kila Sathan, pronounced [râːt.t͡ɕʰā.māŋ.kʰā.lāː kīː.lāː sā.tʰǎːn]) is the national stadium of Thailand national football team. It is part of the Hua Mak Sports Complex, and is located in Hua Mak Subdistrict, Bang Kapi, Bangkok. Its official opening on 6 December 1998 coincided with the beginning of the 1998 Asian Games.

The stadium was first used for the 1998 Asian Games in 1998 and 1999 ASEAN University Games. Also was the main venue for the 2007 Summer Universiade when hosted the football finals and the opening and closing ceremonies. Since then, it has been used for many international matches and football tournaments. Most notably, for the 2007 AFC Asian Cup. Thai club sides have also used the stadium when playing in continental cup competitions. Krung Thai Bank FC (now BG Pathum United) used it for AFC Champions League matches, and PEA FC and Chonburi FC have recently used it in the AFC Cup. Aside from football, it has been used for athletics, pop concerts, and political rallies. In addition, Rajamangala Stadium was built to honor King Bhumibol Adulyadej on the occasion of His Majesty the King's 5th Cycle Birthday Anniversary, 5 December 1987, and the Rajamangala Celebrations (The Celebrations of the longest reigning Thai monarch) for King Bhumibol Adulyadej, 2th July 1988.

Rajamangala Stadium was designed by the Faculty of Architecture at Chulalongkorn University. The main material used in construction was concrete and therefore, though the stadium is impressive and imposing, it could never be described as beautiful. However, it is undoubtedly dramatic. The stands rise and fall like a giant, exaggerated version of Huddersfield's Galpharm Stadium. At each end are quite narrow tiers of seats but the tiers rise and rise as they move around the sides until they peak at level with the halfway line. From an aesthetic point of view, the stadium is best viewed from a distance, preferably from the air, where the elliptical shape of the side tribunes seems particularly pronounced.

The aforementioned side tribunes are designated 'East' and 'West'. 'East' is the uncovered popular side; 'West' is the covered side where the more expensive seats are. The two ends are designated 'North' and 'South'. 'North' is the more popular of the two. It's where the more vocal and colorful elements of the Thai support congregate.

The capacity of the stadium is 65,000. When the stadium first opened, its capacity was 80,000. But plastic seats were installed on the North, South, and East stands, where previously there had been bare concrete steps, in preprepation for the 2007 AFC Asian Cup.

The stadium is not served by public transport which has always been a source of frustration for fans. Presently, there are no train stations anywhere near the stadium (unlike at the Suphachalasai Stadium, which is served by the Skytrain - National Stadium BTS station). However, there are buses and taxis which pass fairly close to the stadium. From 2027, the stadium will be served by the MRT Orange Line.

On November 27, 2010, Bodyslam had a concert "Bodyslam Live In Kraam" with an audience of 65,000 people. also on February 9 - 10, 2019, They had a concert "Bodyslam Fest Wichatuabao" with an audience of 130,000 people. making both of them the largest concert in Thailand.

The stadium hosted the 2012 Race of Champions.

On 24 November 2013, a crowd estimated at 100,000 joined the rally around Bangkok's Democracy Monument in an anti-government protest, according to the Democrat Party, as pro-government red shirts gathered at Rajamangala Sports Stadium.

On 16 September 2019 Sports Authority of Thailand has been closed for renovation to be used as one of the stadiums for 2020 AFC U-23 Championship, which Thailand hosted in January 2020 to select 3 teams to compete in the 2020 Summer Olympics in Tokyo, Japan.

On 12 July 2022, Rajamangala Stadium held the world-class football match for teams in the Premier League named "The MATCH Final Bangkok Century Cup 2022" between Manchester United vs. Liverpool, with improvements of the field and stadium to support the competition.

Other stadiums in Bangkok include the Thai Army Sports Stadium, the Thai-Japanese Stadium, and Chulalongkorn University Stadium.

The stadium has hosted several international FIFA matches. Here is a list of the most important international matches held at the Rajamangala Stadium.

Date	Time (UTC+07)	Team #1	Res.	Team #2	Round
7 December 1998	15:00	Japan	0–2	South Korea	Second round (Group 2)
7 December 1998	17:00	United Arab Emirates	0–5	Kuwait	Second round (Group 2)
8 December 1998	15:00	Qatar	1–0	Lebanon	Second round (Group 4)
8 December 1998	17:00	Thailand	1–1	Kazakhstan	Second round (Group 4)
9 December 1998	15:00	United Arab Emirates	1–2	South Korea	Second round (Group 2)
9 December 1998	17:00	Japan	2–1	Kuwait	Second round (Group 2)
10 December 1998	15:00	Qatar	0–2	Kazakhstan	Second round (Group 4)
10 December 1998	17:00	Thailand	1–0	Lebanon	Second round (Group 4)
11 December 1998	15:00	Japan	0–1	United Arab Emirates	Second round (Group 2)
11 December 1998	17:00	South Korea	1–0	Kuwait	Second round (Group 2)
12 December 1998	15:00	Kazakhstan	0–3	Lebanon	Second round (Group 4)
10 December 1998	17:00	Thailand	1–2	Qatar	Second round (Group 4)
14 December 1998	14:00	Thailand	2–1 (a.e.t.)	South Korea	Quarter-finals
14 December 1998	17:00	Qatar	0–0 (a.e.t.) (1–3 pen.)	Kuwait	Quarter-finals
16 December 1998	14:00	Iran	1–0	China	Semi-finals
16 December 1998	17:00	Thailand	0–3	Kuwait	Semi-finals
19 December 1998	17:00	Iran	2–0	Kuwait	Gold medal match

Date	Time (UTC+07)	Team #1	Res.	Team #2	Round	Attendance
16 November 2000	16:00	Vietnam	2–3 (a.e.t)	Indonesia	Semi-finals	N/A
16 November 2000	19:00	Thailand	2–0	Malaysia	Semi-finals	N/A
18 November 2000	16:00	Vietnam	0–3	Malaysia	Third place play-off	N/A
18 November 2000	19:00	Thailand	4–1	Indonesia	Final	N/A

Date	Time (UTC+07)	Team #1	Res.	Team #2	Round	Attendance
7 July 2007	19:30	Thailand	1–1	Iraq	Group A	30,000
8 July 2007	17:15	Australia	1–1	Oman	Group A	5,000
12 July 2007	17:15	Thailand	2–0	Oman	Group A	19,000
13 July 2007	17:15	Iraq	3–1	Australia	Group A	6,000
16 July 2007	19:30	Thailand	0–4	Australia	Group A	46,000
21 July 2007	20:15	Iraq	2–0	Vietnam	Quarter-finals	9,790

Date	Time (UTC+07)	Team #1	Res.	Team #2	Round	Attendance
20 December 2008	19:00	Thailand	2–1	Indonesia	Semifinals second leg	40,000
24 December 2008	19:00	Thailand	1–2	Vietnam	Finals first leg	50,000

Date	Time (UTC+07)	Team #1	Res.	Team #2	Round	Attendance
24 November 2012	17:30	Vietnam	1–1	Myanmar	Group Stage	N/A
24 November 2012	20:20	Thailand	2–1	Philippines	Group Stage	N/A
27 November 2012	17:30	Vietnam	0–1	Philippines	Group Stage	N/A
27 November 2012	20:20	Myanmar	0–4	Thailand	Group Stage	N/A
30 November 2012	20:20	Thailand	3–1	Vietnam	Group Stage	N/A

Date	Time (UTC+07)	Team #1	Res.	Team #2	Round	Attendance
10 December 2014	19:00	Thailand	3–0	Philippines	Semifinals second leg	N/A
17 December 2014	19:00	Thailand	2–0	Malaysia	Finals first leg	N/A

Date	Time (UTC+07)	Team #1	Res.	Team #2	Round	Attendance
8 December 2016	19:00	Thailand	4–0	Myanmar	Semifinals second leg	43,638
17 December 2016	19:00	Thailand	2–0	Indonesia	Finals second leg	48,000

Date	Time (UTC+07)	Team #1	Res.	Team #2	Round	Attendance
9 November 2018	19:00	Timor-Leste	0–7	Thailand	Group Stage	8,764
17 November 2018	18:30	Thailand	4–2	Indonesia	Group Stage	37,570
25 November 2018	19:00	Thailand	3–0	Singapore	Group Stage	29,673
5 December 2018	19:00	Thailand	2–2	Malaysia	Semifinals second leg	46,157

Date	Time (UTC+07)	Team #1	Res.	Team #2	Round	Attendance
8 January 2020	20:15	Thailand	5–0	Bahrain	Group Stage	7,076
11 January 2020	20:15	Australia	2–1	Thailand	Group Stage	22,352
14 January 2020	20:15	Thailand	1–1	Iraq	Group Stage	15,342
15 January 2020	20:15	Qatar	1–1	Japan	Group Stage	1,362
16 January 2020	20:15	Vietnam	1–2	North Korea	Group Stage	1,932
18 January 2020	20:15	Australia	1–0 (a.e.t.)	Syria	Quarter-finals	214
19 January 2020	20:15	United Arab Emirates	1–5	Uzbekistan	Quarter-finals	244
22 January 2020	17:15	Saudi Arabia	1–0	Uzbekistan	Semi-Finals	329
25 January 2020	19:30	Australia	1–0	Uzbekistan	Third place play-off	590
26 January 2020	19:30	South Korea	1–0	Saudi Arabia	Final	2,879

Date	Time (UTC+07)	Team #1	Res.	Team #2	Round	Attendance
16 June 2023	21:00	Iran	6–1	Afghanistan	Group Stage	73
17 June 2023	17:00	Japan	1–1	Uzbekistan	Group Stage	421
19 June 2023	21:00	Qatar	0–0	Iran	Group Stage	83
20 June 2023	17:00	Vietnam	0–4	Japan	Group Stage	294
22 June 2023	17:00	Tajikistan	0–2	Australia	Group Stage	128
22 June 2023	21:00	Afghanistan	2–1	Qatar	Group Stage	78
23 June 2023	19:00	Japan	8–4	India	Group Stage	274

Date	Time (UTC+07)	Team #1	Res.	Team #2	Round	Attendance
16 November 2023	19:30	Thailand	1–2	China	Group Stage	35,009
26 March 2024	19:30	Thailand	0–3	South Korea	Group Stage	45,458
11 June 2024	19:30	Thailand	3–1	Singapore	Group Stage	39,404

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Events and tenants
Preceded by Edion Stadium Hiroshima Hiroshima	Asian Games Opening and Closing Ceremonies 1998	Succeeded by Busan Asiad Main Stadium Busan
Preceded by Yunlin County Stadium Dounan	AFC Women's Asian Championship Final Venue 2003	Succeeded by Hindmarsh Stadium Adelaide
Preceded by Azadi Stadium Tehran	AFC Champions League Final Venue 2003	Succeeded by Prince Abdullah Al Faisal Stadium Jeddah
Preceded by Commonwealth Stadium Edmonton	FIFA U-19 Women's World Championship Final Venue 2004	Succeeded by Lokomotiv Stadium Moscow
Preceded by Bukit Jalil National Stadium Kuala Lumpur	Premier League Asia Trophy Venue 2007	Succeeded by Hong Kong Stadium  Hong Kong
Preceded by İzmir Atatürk Stadium İzmir	Summer Universiade Opening and Closing Ceremonies 2007	Succeeded by Belgrade Arena Belgrade
Preceded by Esprit Arena Düsseldorf	Race of Champions Host stadium 2012	Succeeded by Bushy Park Circuit 2014