| Country: | Belgium |
| Season: | 2017–18 |
| Division1: | First Division A |
| Champions1: | Club Brugge |
| Division2: | First Division B |
| Champions2: | Cercle Brugge |
| Division3: | First Amateur Division |
| Division4: | Second Amateur Division |
| Champions4: | Rupel Boom (A), Tessenderlo (B) and RWDM47 (C) |
| Division5: | Third Amateur Division |
| Champions5: | Menen (A), Heur-Tongeren (B), La Louvière (C) and Tilleur (D) |
| Domestic: | Cup |
| Dchampions: | Standard Liège |
| Supercup: | Super Cup |
| Schampions: | Anderlecht |
| Prevseason: | 2016–17 |
| Nextseason: | 2018–19 |
| Flagicon: | yes |
The following article is a summary of the 2017–18 football season in Belgium, which is the 1145th season of competitive football in the country and runs from July 2017 until June 2018.
See main article: article and Belgium national football team.
Belgium qualified for the 2018 FIFA World Cup following a 1–2 win in and against Greece on 3 September 2017. Being seeded, Belgium was then paired with England, Panama and Tunisia in Group G.
See main article: article and 2018 FIFA World Cup qualification – UEFA Group H.
See main article: article and 2018 FIFA World Cup Group G.
See main article: article and Belgium women's national football team.
Belgium made their debut at the UEFA Women's Euro tournament in 2017, being eliminated in a group with Denmark and Netherlands, who would both go on to play the final.The team also played the first six of their eight qualification matches for the 2019 FIFA Women's World Cup, starting strongly with three wins.
See main article: article and UEFA Women's Euro 2017 Group A.
See main article: article and 2019 FIFA Women's World Cup qualification – UEFA Group 6.
The following teams had achieved promotion or suffered relegation going into the 2017–18 season.
| League | Promoted to league | Relegated from league | |
|---|---|---|---|
| First Division A | |||
| First Division B | |||
| First Division Amateur Division |
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| Second Division Amateur Division |
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| Third Division Amateur Division |
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See main article: article and 2017–18 Belgian First Division A.
See main article: article and 2017–18 Belgian First Division B.
See main article: article and 2017–18 Belgian First Amateur Division.
See main article: article and 2017–18 Belgian Second Amateur Division.
See main article: article and 2017–18 Belgian Third Amateur Division.
| Competition | Winner | Score | Runner-up | |
| 2017–18 Belgian Cup | Standard Liège | 1–0 | Genk | |
| 2017 Belgian Super Cup | Anderlecht | 2–1 | Zulte Waregem |
See main article: article, List of Belgian football transfers summer 2017, List of Belgian football transfers winter 2017–18 and List of Belgian football transfers summer 2018.
Champions Anderlecht qualified directly for the group stage of the Champions League, while runners-up Club Brugge started in the qualifying rounds. As cup winner, Zulte Waregem qualified directly for the group stage of the Europa League, while Gent and Oostende started in the qualifying rounds.
Overall, Belgian football clubs performed very poorly during the 2017–18 season, as both Club Brugge, Gent and Oostende failed to qualify for the group stages. Anderlecht only managed to win one match in the Champions League and although Zulte Waregem scored 7 points in their Europa League group they were also eliminated, causing all Belgian teams to be eliminated from European football before the winter break.
| Competition | Qualifiers | Reason for Qualification | |
|---|---|---|---|
| UEFA Champions League Group Stage | Club Brugge | 1st in Belgian First Division A | |
| UEFA Champions League Third Qualifying Round for Non-Champions | Standard Liège | 2nd in Belgian First Division A | |
| UEFA Europa League Group Stage | Anderlecht | 3rd in Belgian First Division A | |
| UEFA Europa League Third Qualifying Round | Gent | 4th in Belgian First Division A | |
| UEFA Europa League Second Qualifying Round | Genk | Europa League Playoff winner |
This is a list of changes of managers within Belgian professional league football (Belgian First Division A and Belgian First Division B):
| Team | Outgoing manager | Manner of departure | Date of vacancy | Position | Replaced by | Date of appointment |
|---|---|---|---|---|---|---|
| Waasland-Beveren |  Čedomir Janevski | Mutual consent | End of 2016–17 season | Pre-season |  Philippe Clement | 24 May 2017 [1] |
| Club Brugge | Michel Preud'homme | End of 2016–17 season | Ivan Leko | 8 June 2017 [2] | ||
| Kortrijk |  Karim Belhocine | Replaced | End of 2016–17 season | Yannis Anastasiou | 20 May 2017 [3] | |
| Standard Liège | José Jeunechamps (caretaker) | Caretaker replaced | End of 2016–17 season | Ricardo Sá Pinto | 11 June 2017 [4] | |
| Sint-Truiden | Ivan Leko | Signed by Club Brugge | 8 June 2017 |  Tintín Márquez | 22 June 2017 [5] | |
| Antwerp | Wim De Decker | Demoted to assistant coach | 16 June 2017 [6] | László Bölöni | 16 June 2017 | |
| Westerlo | Jacky Mathijssen | Mutual consent | 21 June 2017 [7] |  Vedran Pelić | 21 June 2017 | |
| Sint-Truiden | Tintín Márquez | Sacked | 7 August 2017 [8] | 8th | Jonas De Roeck | 10 August 2017 [9] |
| Lokeren |  Rúnar Kristinsson | 9 August 2017 [10] | 15th | Peter Maes | 9 August 2017 | |
| Roeselare | Arnauld Mercier | 12 September 2017 [11] | 5th | Dennis van Wijk | 28 September 2017 [12] | |
| Anderlecht | René Weiler | 18 September 2017 [13] | 9th |  Nicolás Frutos (caretaker) | 18 September 2017 | |
| Oostende | Yves Vanderhaeghe | 19 September 2017 [14] | 16th | Adnan Čustović | 19 September 2017 | |
| OH Leuven | Dennis van Wijk | Replaced | 22 September 2017 [15] | 4th | Nigel Pearson | 22 September 2017 |
| Gent | Hein Vanhaezebrouck | Mutual consent | 27 September 2017 [16] | 14th | Yves Vanderhaeghe | 4 October 2017 [17] |
| Anderlecht | Nicolás Frutos | Caretaker replaced | 3 October 2017 [18] | 7th | Hein Vanhaezebrouck | 3 October 2017 |
| Lierse | Frederik Vanderbiest | Sacked | 6 October 2017 [19] | 7th | William Still | 11 October 2017 [20] |
| Cercle Brugge | José Riga | 16 October 2017 [21] | 3rd | Franky Vercauteren | 16 October 2017 [22] | |
| Mechelen | Yannick Ferrera | 23 October 2017 [23] | 15th | Tom Caluwé (caretaker) | 23 October 2017 | |
| Mechelen | Tom Caluwé (caretaker) | Caretaker replaced | 1 November 2017 [24] | 16th |  Aleksandar Janković | 1 November 2017 |
| Eupen | Jordi Condom | Sacked | 6 November 2017 [25] | 16th | Claude Makélélé | 6 November 2017 |
| Kortrijk | Yannis Anastasiou | 8 November 2017 [26] | 15th | Glen De Boeck | 8 November 2017 [27] | |
| Tubize |  Sadio Demba | 13 November 2017 [28] | Closing tournament: 6th Overall: 8th | Philippe Thys | 13 November 2017 | |
| Lierse | William Still | Did not possess correct UEFA diploma to remain manager | 2 December 2017 [29] | Closing tournament: 1st Overall: 3rd | David Colpaert | 2 December 2017 |
| Westerlo | Vedran Pelić | Replaced | 5 December 2017 [30] | Closing tournament: 8th Overall: 7th | Bob Peeters | 5 December 2017 |
| Genk | Albert Stuivenberg | Sacked | 10 December 2017 [31] | 9th | Philippe Clement | 19 December 2017 [32] |
| Waasland-Beveren | Philippe Clement | Signed for Genk | 19 December 2017 | 7th | Sven Vermant | 5 January 2018 [33] |
| Roeselare | Dennis van Wijk | Sacked | 19 January 2018 [34] | Closing tournament: 7th Overall: 5th | Jordi Condom | 25 January 2018 [35] |
| Mechelen | Aleksandar Janković | 24 January 2018 | 15th | Dennis van Wijk | 24 January 2018 [36] | |
| Excel Mouscron |  Mircea Rednic | 14 February 2018 [37] | 12th | Frank Defays | 14 February 2018 [38] | |
| Waasland-Beveren | Sven Vermant | 9 May 2018 [39] | Regular season: 12th Europa League POs: 6th | Dirk Geeraerd (caretaker) | 9 May 2018 |
