This is a list of the foreign managers (head coaches) in Thai League 1 during the professional era which began in 1996. The following manager:
- have coached in at least one Thai League T1 official game for the respective club;
- are sorted by the nationality. Coaches from the same country are sorted by the year of appointment.
Australia ![Australia](//upload.wikimedia.org/wikipedia/commons/thumb/8/88/Flag_of_Australia_%28converted%29.svg/23px-Flag_of_Australia_%28converted%29.svg.png)
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- Andrew Ord – BEC Tero Sasana – 2012
- Aurelio Vidmar – Bangkok Glass, BG Pathum United, Bangkok United – 2016–2017, 2021, 2022
- Matt Smith – BG Pathum United – 2022–2023
- Arthur Papas – Buriram United – 2023–2024
Belgium ![Belgium](//upload.wikimedia.org/wikipedia/commons/thumb/9/92/Flag_of_Belgium_%28civil%29.svg/23px-Flag_of_Belgium_%28civil%29.svg.png)
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- René Desaeyere – Muangthong United, BEC Tero Sasana, Ratchaburi– 2010, 2013, 2018
- Stéphane Demol – BEC Tero Sasana – 2013
Brazil ![Brazil](//upload.wikimedia.org/wikipedia/en/thumb/0/05/Flag_of_Brazil.svg/22px-Flag_of_Brazil.svg.png)
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- Jose Alves Borges – TTM, Muangthong United, BEC Tero Sasana, Chiangrai United – 2004-2006, 2013-2014, 2019
- Carlos Roberto de Carvalho – Bangkok Glass, Muangthong United, Police United – 2010-2011, 2014
- Freddy Marinho – Sisaket – 2010
- Reuter Moreira – Esan United, TOT – 2012, 2015
- Alexandré Pölking– Army United, Suphanburi, Bangkok United– 2013-2020
- Alexandre Gama – Buriram United, Chiangrai United, Muangthong United, Lamphun Warriors– 2014—2016(1), 2020—2021(2), 2016—2018, 2019—2020, 2022—
- Stefano Cugurra Teco – Osotspa, Navy – 2014—2016
- Sérgio Farias–Suphanburi– 2015, 2016-2017
- Sérgio Alexandre – Suphanburi – 2016
- Ailton Silva– Chiangrai United, Chiangmai United– 2019, 2021-2022
- Carlos Eduardo Parreira – Chiangmai, Khon Kaen United, Rayong – 2018-2019, 2021-2022, 2024—
- Arthur Bernardes – Rayong – 2020
- Emerson Pereira – Chiangrai United, Nongbua Pitchaya, Buriram United – 2020-2022, 2022—2023, 2024
- Gabriel Magalhães – Chiangrai United – 2023—2024
- Douglas Cardozo – Ratchaburi – 2023
- Jorginho Campos – Buriram United – 2024
- Osmar Loss – Buriram United – 2024–
Bulgaria ![Bulgaria](//upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Flag_of_Bulgaria.svg/23px-Flag_of_Bulgaria.svg.png)
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- Velizar Popov – Suphanburi, Sisaket – 2014,2017
Chile ![Chile](//upload.wikimedia.org/wikipedia/commons/thumb/7/78/Flag_of_Chile.svg/23px-Flag_of_Chile.svg.png)
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- Jorge Enrique Amaya – BEC Tero Sasana – 2010
Croatia ![Croatia](//upload.wikimedia.org/wikipedia/commons/thumb/1/1b/Flag_of_Croatia.svg/23px-Flag_of_Croatia.svg.png)
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- Dragan Talajić – Muangthong United – 2014–2016
- Drago Mamić -Chainat Hornbill - 2017-2018
England ![England](//upload.wikimedia.org/wikipedia/en/thumb/b/be/Flag_of_England.svg/23px-Flag_of_England.svg.png)
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- Jason Withe – BEC Tero Sasana, Bangkok Bank F.C., Songkhla United – 1999–2001, 2003–2005, 2014
- Robbie Fowler – Muangthong United – 2011
- Dave Booth – BEC Tero Sasana, Sisaket – 2006, 2011
- Peter Butler – BEC Tero Sasana – 2011
- Phil Stubbins – Police United, Bangkok Glass – 2012–2013
- Scott Cooper – Buriram United, Muangthong United, Ubon UMT United F.C., Port – 2013–2014, 2017, 2022
- Gary Stevens – Army United, Port – 2014–2015
- Peter Withe – PTT Rayong – 2014
- Mike Mulvey – BEC Tero Sasana - 2017
- Kevin Blackwell – Nakhon Ratchasima – 2022–2023
Finland ![Finland](//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Flag_of_Finland.svg/23px-Flag_of_Finland.svg.png)
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- Mika Lönnström – Police United, Saraburi – 2014, 2015
- Mixu Paatelainen – Ubon UMT United – 2018
France ![France](//upload.wikimedia.org/wikipedia/en/thumb/c/c3/Flag_of_France.svg/23px-Flag_of_France.svg.png)
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- Regis Laguesse – BEC Tero Sasana – 2007
- Christophe Larrouilh – BEC Tero Sasana – 2008-2009
Germany ![Germany](//upload.wikimedia.org/wikipedia/en/thumb/b/ba/Flag_of_Germany.svg/23px-Flag_of_Germany.svg.png)
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- Peter Stubbe – BEC Tero Sasana – 1996
- Hans Emser – Bangkok Glass – 2009
- Winfried Schäfer – Muangthong United – 2013
- Franz Schwarzwälder – Songkhla United – 2013
- Christian Ziege - Ratchaburi - 2018
- Goran Barjaktarević – Chonburi – 2018
- Dennis Amato - Chainat Hornbill F.C., Sukhothai - 2016–2019, 2022–2023
Iran ![Iran](//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Flag_of_Iran.svg/23px-Flag_of_Iran.svg.png)
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- Afshin Ghotbi – Buriram United – 2016
Italy ![Italy](//upload.wikimedia.org/wikipedia/en/thumb/0/03/Flag_of_Italy.svg/23px-Flag_of_Italy.svg.png)
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- Marco Simone – Ratchaburi - 2019
- Gino Lettieri – Muangthong United – 2024–
Japan ![Japan](//upload.wikimedia.org/wikipedia/en/thumb/9/9e/Flag_of_Japan.svg/23px-Flag_of_Japan.svg.png)
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- Masahiro Wada – Chonburi, Port – 2014, 2015
- Koichi Sugiyama – BBCU, Chainat– 2016
- Sugao Kambe – Nakhon Ratchasima, Ubon UMT United, Sukhothai – 2013–2016, 2018, 2023–2024
- Tetsuya Murayama – Samut Prakan City – 2019
- Masami Taki – Chiangrai United, Rayong, PT Prachuap – 2020-2021
- Masatada Ishii – Samut Prakan City, Buriram United – 2019–2023
- Yasushi Yoshida – Samut Prakan City – 2021–2022
- Makoto Teguramori – BG Pathum United, Chonburi – 2022(1), 2023–(2), 2023
- Mitsuo Kato – BG Pathum United – 2022
Malaysia ![Malaysia](//upload.wikimedia.org/wikipedia/commons/thumb/6/66/Flag_of_Malaysia.svg/23px-Flag_of_Malaysia.svg.png)
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- Tan Cheng Hoe – Police Tero – 2024
Montenegro ![Montenegro](//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Flag_of_Montenegro.svg/23px-Flag_of_Montenegro.svg.png)
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- Božidar Bandović – Buriram United(1),BEC Tero Sasana, Sisaket, Buriram United(2), PT Prachuap – 2014–2020, 2023
Netherland ![Netherlands](//upload.wikimedia.org/wikipedia/commons/thumb/2/20/Flag_of_the_Netherlands.svg/23px-Flag_of_the_Netherlands.svg.png)
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- Henk Wisman – Chiangrai United – 2013
Northern Ireland ![Northern Ireland](//upload.wikimedia.org/wikipedia/commons/thumb/4/43/Flag_of_Northern_Ireland_%281953%E2%80%931972%29.svg/23px-Flag_of_Northern_Ireland_%281953%E2%80%931972%29.svg.png)
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- Kenny Shiels – BEC Tero Sasana – 2015
Nigeria ![Nigeria](//upload.wikimedia.org/wikipedia/commons/thumb/7/79/Flag_of_Nigeria.svg/23px-Flag_of_Nigeria.svg.png)
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- Adebayo Gbadebo – Suphanburi– 2017-2022
North Macedonia ![North Macedonia](//upload.wikimedia.org/wikipedia/commons/thumb/7/79/Flag_of_North_Macedonia.svg/23px-Flag_of_North_Macedonia.svg.png)
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- Mario Gjurovski – Muangthong United – 2020–2023
Portugal ![Portugal](//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/Flag_of_Portugal.svg/23px-Flag_of_Portugal.svg.png)
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- Henrique Calisto – Muangthong United – 2011
- Rui Bento – Bangkok United – 2014
- Manuel Cajuda – BEC Tero Sasana – 2015
- Bruno Pereira – Ratchaburi Mitr Phol – 2022
Scotland ![Scotland](//upload.wikimedia.org/wikipedia/commons/thumb/1/10/Flag_of_Scotland.svg/23px-Flag_of_Scotland.svg.png)
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- Matt Elliott – Army United – 2014
Serbia ![Serbia](//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Flag_of_Serbia.svg/23px-Flag_of_Serbia.svg.png)
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- Slaviša Jokanović – Muangthong United – 2012–2013
- Miloš Joksić – Pattaya United, Nakhon Ratchasima, Muangthong United – 2016–2019, 2023–2024
- Branko Smiljanić – BEC Tero Sasana – 2016
- Ranko Popović – Buriram United– 2016–2017
- Radovan Ćurčić – Muangthong United – 2018
- Ljubomir Ristovski – Navy, Sukhothai – 2018–2019
Singapore ![Singapore](//upload.wikimedia.org/wikipedia/commons/thumb/4/48/Flag_of_Singapore.svg/23px-Flag_of_Singapore.svg.png)
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- Akbar Nawas – Nakhon Pathom United – 2023–
Spain ![Spain](//upload.wikimedia.org/wikipedia/en/thumb/9/9a/Flag_of_Spain.svg/23px-Flag_of_Spain.svg.png)
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- Ivan Palanco – Ratchaburi – 2013
- Alejandro Menéndez – Buriram United – 2013
- Ricardo Rodríguez – Ratchaburi, Bangkok Glass, Suphanburi – 2013–2015, 2016
- Josep Ferré – Ratchaburi – 2015
- Pacheta – Ratchaburi– 2016–2017
- Manolo Márquez – Ratchaburi – 2018–2019
- Xavi Moro – Ratchaburi, Chiangrai United – 2022–2023, 2024–
- Carlos Peña – Ratchaburi – 2023–2024
South Korea ![South Korea](//upload.wikimedia.org/wikipedia/commons/thumb/0/09/Flag_of_South_Korea.svg/23px-Flag_of_South_Korea.svg.png)
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- Kim Kyung-Ju – Sisaket – 2010
- Bae Myung-Ho – TTM – 2011
- Lee Young-moo – TTM – 2011
- Kim Hak-chul-Pattaya United – 2016
- Yoon Jong-hwan – Muangthong United – 2019
Sweden ![Sweden](//upload.wikimedia.org/wikipedia/en/thumb/4/4c/Flag_of_Sweden.svg/23px-Flag_of_Sweden.svg.png)
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- Sven-Göran Eriksson – BEC Tero Sasana – 2012
- Mikael Stahre – Uthai Thani – 2023–2024
Tunisia ![Tunisia](//upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Flag_of_Tunisia.svg/23px-Flag_of_Tunisia.svg.png)
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- Lassaad Chabbi – Ratchaburi – 2018
Wales ![Wales](//upload.wikimedia.org/wikipedia/commons/thumb/d/dc/Flag_of_Wales.svg/23px-Flag_of_Wales.svg.png)
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- Jason Brown - Air Force Central- 2018-2019
- Matthew Mark Holland – Port – 2022-2023