This is a list of Belgian football transfers for the 2017 summer transfer window. Only transfers involving a team from the professional divisions are listed, including the 16 teams in the Belgian First Division A and the 8 teams playing in the Belgian First Division B.
The summer transfer window will open on 1 July 2017, although some transfers were announced prior to that date. Players without a club may join one at any time, either during or in between transfer windows. The transfer window ends on 1 September 2017, although a few completed transfers could still be announced a few days later.
After the end of the 2016–17 season, several players will return from loan to another club or will not have their contracts extended. These will be listed here when the date is otherwise not specified.
^Muñoz-Herrera was on loan from Beerschot Wilrijk to Rupel Boom during the 2016-17 season. The loan ended and Muñoz Herrera was sold to KRC Gent.
^Spajić was on loan from Toulouse to Anderlecht during the 2016-17 season. Although Anderlecht had not acquired an option to make the deal permanent, they agreed on a lump transfer sum to sign Spajić permanently.
^Trompet was on loan from Westerlo to Rupel Boom during the 2016-17 season, the loan ended and Trompet was released to Temse.
^Brondeel was on loan from Lierse to NAC Breda during the 2016-17 season, the loan ended and Brondeel was sold to Twente.
^Teodorczyk was on loan from Dynamo Kyiv to Anderlecht during the 2016-17 season, including an option to make the deal permanent. Anderlecht chose to pay the agreed amount to Dynamo Kyiv and offer Teodorczyk a permanent contract.
^Leemans was on loan from Waasland-Beveren to Deinze during the 2016-17 season. The loan ended and Leemans was sold to Londerzeel.
^Ferber was on loan from Charleroi to Excel Mouscron during the 2016-17 season. The loan ended and Ferber was sold to Union SG.
^Ibini-Isei was on loan from Club Brugge to Sydney during the 2016-17 season. The loan ended and Ibini-Isei was sold to Vancouver Whitecaps.
^Kolovos was already on loan from Olympiacos to Mechelen during the 2016-17 season and the deal was now made permanent.
^El Messaoudi was already on loan from Lierse to Mechelen during the 2016-17 season and the deal was now made permanent.
^Jaeken was on loan from Antwerp to Deinze during the second half of the 2016-17 season. The loan ended and Jaeken was sold to Westerlo.
^ abcBokadi, Bolingi and Luyindama were already on loan from TP Mazembe to Standard during the second half of the 2016-17 season and Standard exercised the option to make the deal permanent.
^Kocur was loan from Excel Mouscron to during the second half of the 2016-17 season. The loan ended and Kocur was released to Fola Esch.
^Thelin was already on loan from Bordeaux to Anderlecht during the second half of the 2016-17 season. Both parties agreed to extend the deal with one season. Anderlecht also acquired an option to make the deal permanent.
^Essikal was on loan from Zulte Waregem to Excel Mouscron during the 2016-17 season. The loan ended and Essikal was sold to Beerschot Wilrijk.
^Malinovskyi was already on loan from Shakhtar Donetsk to Genk since the 2015–16 winter transfer window. Genk exercised the option to make the deal permanent.
^Abd Elhamed was on loan from Gent to Ashdod, the loan ended and Abd Elhamed moved permanently to Ashdod.
^Antoine-Curier was on loan from Union SG to Eendracht Aalst, the loan ended and Antoine-Curier was released.
^Chalon was on loan from Union SG to Rebecq, the loan ended and Chalon was released to Acren Lessines.
^Demirci was already on loan from Excel Mouscron to İstanbulspor and both clubs agreed to make the deal permanent.
^De Préville was already on loan from Oostende to Lille and both clubs agreed to make the deal permanent.
^Diagne was already on loan from Barcelona B to Eupen since the 2015 summer transfer window. Eupen exercised the option to make the deal permanent.
^ abFIFA sanctioned Újpest in 2016 not allowing them to acquire Novothny and Zsótér, Sint-Truiden agreed to acquire both players and loan them out for one season respectively to Diósgyőr and Budapest Honvéd. The loans ended and Novothny and Zsótér will now move to Újpest.
^Onana was on loan from Union SG to Bornem, the loan ended and Onana was released.
^Simaeys suffered an ankle injury in December 2016 and was diagnosed as no longer able to play football at a professional level. OH Leuven and Simaeys have made financial arrangements to terminate his contract early, releasing him at an unspecified moment in 2017.
^Simoens was already on loan from Cercle Brugge to Gullegem and both clubs agreed to make the deal permanent.
^Vandewalle was already on loan from Cercle Brugge to Knokke and both clubs agreed to make the deal permanent.
^Ekangamene was on loan from Zulte Waregem to NAC Breda during the 2016-17 season. The loan ended and Ekangamene was sold to Beerschot Wilrijk.
^Mangala was on loan from Anderlecht to Borussia Dortmund during the 2016-17 season. The loan ended and Mangala was sold to Stuttgart.
^Verboom was on loan from Zulte Waregem to Roda JC during the second half of the 2016-17 season. The loan ended and Verboom was now loaned to Kortrijk.
^Naessens was on loan from Mechelen to Zulte Waregem during the 2016-17 season. The loan ended and Naessens was released to Westerlo.
^Graovac was on loan from Excel Mouscron to Zrinjski Mostar during the second half of the 2016-17 season. The loan ended and Graovac was now loaned to Željezničar.
^Tabekou was on loan from Gent to OH Leuven during the 2016-17 season. The loan ended and Tabekou was sold to Union SG.
^Dompé was on loan from Standard Liège to Eupen during the 2016–17 season. The loan ended and Dompé was now loaned to Amiens.
^Storm was already on loan from Club Brugge to OH Leuven since the 2016–17 winter transfer window and the loan was extended by one season.
^Nardi was already on loan from Monaco to Cercle Brugge during the previous season and the loan was extended by one season.
^Meïté was on loan from Lille to Zulte Waregem during the 2016-17 season. Zulte Waregem had exercised the option to make the deal permanent for a fee of 300 000 € only to then sell Meïté to Monaco.
^Bruzzese was on loan from Club Brugge to Sint-Truiden during the second half of the 2016-17 season. The loan ended and Bruzzese was sold to Kortrijk.
^Olayinka was on loan from Gent to Dukla Prague during the 2016-17 season. The loan ended and Olayinka was now loaned to Zulte Waregem.
^De Maio was on loan from Anderlecht to Fiorentina during the 2016-17 season. The loan ended and De Maio was now sold to Bologna.
^Heylen was on loan from Anderlecht to Westerlo during the 2016-17 season. The loan ended and Heylen was now sold to Zulte Waregem.
^Leya Iseka was on loan from Anderlecht to Marseille during the 2016-17 season. The loan ended and Leya Iseka was now loaned to Zulte Waregem.
^Wikheim was already on loan from Gent to Midtjylland during the 2016-17 season. All parties agreed to make the transfer permanent.
^Bolingoli-Mbombo was on loan from Club Brugge to Sint-Truiden during the second half of the 2016-17 season. The loan ended and Bolingoli-Mbombo was sold to Rapid Wien.
^Delsanne was on loan from Union SG to RWDM during the 2016-17 season. The loan ended and Delsanne was sold to Rebecq.
^Vetokele was already on loan from Charlton Athletic to Sint-Truiden during the second half of the 2016-17 season. The loan was extended by one season.
^Buyl was on loan from Zulte Waregem to Antwerp during the 2016-17 season. The loan ended and Buyl was sold to Cercle Brugge.
^Kawaya was on loan from Anderlecht to Willem II since the second half of the 2015-16 season. The loan ended and Kawaya was sold to Mechelen.
^Matthys was on loan from Anderlecht to Westerlo since the second half of the 2015-16 season. The loan ended and Matthys was now sold to Eindhoven.
^Raes was on loan from Roeselare to Hamme during the second half of the 2016-17 season. The loan ended and Raes was now sold to Mandel United.
^Guèye was on loan from Hannover to Zulte Waregem since the second half of the 2016-17 season. The loan ended and Guèye was now loaned to Sint-Truiden.
^Trezeguet was on loan from Anderlecht to Excel Mouscron during the 2016-17 season. The loan ended and Trezeguet was now loaned to Kasımpaşa.
^Bruno was already on loan from Leipzig to Anderlecht during the 2016-17 season. The loan was extended for another season.
^Lukebakio was on loan from Anderlecht to Toulouse during the 2016-17 season. The loan ended and Lukebakio was now loaned to Charleroi.
^Corryn was already on loan from Mechelen to Antwerp during the 2016-17 season. The loan was extended for another season.
^Coopman was already on loan from Lierse to Lens during the 2016-17 season. A new loan deal was set up for one season.
^Oto'o was already on loan from Braga B to Westerlo during the 2016-17 season. The loan was extended for another season.
^Bertaccini was on loan from Genk to Cercle Brugge during the 2016-17 season. The loan ended and Bertaccini was sold to Arouca.
^Višņakovs was on loan from Westerlo to Ruch Chorzów during the 2016-17 season. The loan ended and Višņakovs was sold to RFS.
^Faes was on loan from Anderlecht to Heerenveen during second half of the 2016-17 season. The loan ended but now Faes was loaned to Excelsior.
^Veldwijk was on loan from Kortrijk to Aalesund since March 2017. The loan ended and Veldwijk was sold to Groningen.
^Stevance was on loan from Charleroi to Roeselare since the second half of the 2016-17 season. The loan ended and Stevance was now loaned to Tubize.
^Orye was on loan from Waasland-Beveren to Lommel since the second half of the 2016-17 season. The loan ended and Orye was now loaned to Heist.
^Touré was already on loan from Standard to Auxerre since the second half of the 2016-17 season and the deal was now made permanent.
^Yattara was already on loan from Standard to Auxerre since the second half of the 2016-17 season and the deal was now made permanent.
^Ceballos was already on loan from Charlton Athletic to Sint-Truiden during the 2016-17 season and the deal was now made permanent.
^Jutten was already on loan from Cercle Brugge to Dessel Sport during the 2016-17 season and the deal was extended with another season.
^Tetteh was on loan from Standard to Slovácko during the 2016-17 season. The loan ended and Tetteh was now loaned to Bohemians 1905.
^Kynigopoulos was on loan from Sint-Truiden to Iraklis during the 2016-17 season. The loan ended and Kynigopoulos was released to Panachaiki.
^Castelletto was on loan from Club Brugge to Red Star during the 2016-17 season. The loan ended and Castelletto was sold to Stade Brest.
^Dujardin was already on loan from Lokeren to Hamme during the 2016-17 season. The loan ended, Dujardin and Lokeren agreed to terminate their contract and Dujardin then joined Hamme permanently without transfer fee.
^Galhardo was on loan from Anderlecht to Atlético Paranaense during the 2016-17 season. The loan ended and Galhardo was released to Cruzeiro.
^Kiš was on loan from Kortrijk to Cercle Brugge during the 2016-17 season. The loan ended and Kiš was sold to Shakhtyor Soligorsk.
^Locigno was on loan from Oostende to Go Ahead Eagles during the 2016-17 season. The loan ended and Locigno was sold to Excel Mouscron.
^Brebels was on loan from Zulte Waregem to Cercle Brugge during the 2016-17 season. The loan ended and Brebels was released to Lommel.
^Papazoglou was on loan from Kortrijk to Roda JC during the second half of the 2016-17 season. The loan ended and Papazoglou was now loaned to Aalesund.
^Šabala was on loan from Club Brugge to Riga during the second half of the 2016-17 season. The loan ended and Šabala was now sold to Podbeskidzie Bielsko-Biała.
^Stojanović was on loan from Apollon Limassol to Excel Mouscron during the 2016-17 season. The loan ended and Stojanović was now loaned to Antwerp.
^De Medina was on loan from Anderlecht to OH Leuven during the 2016-17 season. The loan ended and De Medina was now sold to Excel Mouscron.
^Milec was on loan from Standard Liège to Roda JC during the 2016-17 season. The loan ended and Milec was sold to Maribor.
^Loemba was on loan from Oostende to OH Leuven during the 2016-17 season. The loan ended and Loemba was sold to Adana Demirspor.
^Bah was on loan from Excel Mouscron to Westhoek during the 2016-17 season. The loan ended and Bah was released to Virton.
^Goutas was on loan from Olympiacos to Kortrijk during the 2016-17 season. The loan ended and Goutas was now loaned to Sint-Truiden.
^Kabasele was on loan from Anderlecht to Excel Mouscron during the second half of the 2016-17 season. The loan ended and Kabasele was now sold to Gazişehir Gaziantep.
^Strandberg was on loan from Club Brugge to Westerlo during the second half of the 2016-17 season. The loan ended and Strandberg was sold to Malmö FF.
^Vandeputte was on loan from Gent to Eindhoven during the last two seasons. The loan ended and Vandeputte was released to Viterbese.
^Hafez was already on loan from Lierse to Lens during the 2016-17 season. A new loan deal was set up for one season.
^Molenberghs was on loan from Westerlo to Lommel since the second half of the 2016-17 season. The loan ended and Molenberghs was released to Oosterzonen Oosterwijk.
^Cyriac was on loan from Oostende to Fulham during the second half of the 2016-17 season. The loan ended and Cyriac was sold to Sivasspor.
^Damblon was on loan from Sint-Truiden to ASV Geel during the 2016-17 season. The loan ended and Damblon was loaned to RWDM47.
^Hubert was on loan from Gent to Excel Mouscron since the 2015-16 season. The loan ended and Hubert was sold to OH Leuven.
^Poletanović was on loan from Gent to Red Star Belgrade during the 2016-17 season. The loan ended and Poletanović was released to Tosno.
^Taravel was on loan from Gent to Sion during the second half of the 2016-17 season. The loan ended and Taravel was released to Cercle Brugge.
^Roef was on loan from Anderlecht to Deportivo La Coruña during the second half of the 2016-17 season. The loan ended and Roef was now loaned to Waasland-Beveren.
^Diedhiou was on loan from Excel Mouscron to Gent during the 2016-17 season. The loan ended and Diedhiou was now sold to OH Leuven.
^Seys was on loan from Club Brugge to Twente during the 2016-17 season. The loan ended and Seys was now sold to Waalwijk.
^Ganvoula was on loan from Anderlecht to Westerlo during the second half of the 2016-17 season. The loan ended and Ganvoula was now loaned to Mechelen.
^Vits was on loan from Standard to MVV during the second half of the 2016-17 season. The loan ended and Vits was released to Hasselt.
^Zizo was on loan from Lierse to Nacional during the second half of the 2016-17 season. The loan ended and Zizo was now sold to Moreirense.
^Cuypers was on loan from Standard to Seraing during the 2016-17 season. The loan ended and Cuypers was now sold to Ergotelis.
^Lambrecth was on loan from Anderlecht to Roeselare during the second half of the 2016-17 season. The loan ended and Lambrecth was now loaned to Union SG.
^Melnjak was on loan from Lokeren to Slaven Belupo during the 2016-17 season. The loan ended and Melnjak was now sold to Domžale.
^Van Roose was on loan from Cercle Brugge to Oosterzonen Oosterwijk during second half of the 2016-17 season. The loan ended and Van Roose was now loaned to Torhout.