The 2021–22 season was the 124th season in the existence of Royale Union Saint-Gilloise and the club's first season back in the top flight of Belgian football since the 1973. In addition to the domestic league, Royale Union Saint-Gilloise also participated in this season's edition of the Belgian Cup, where they reached the sixth round, being knocked out by KV Mechelen.

Players First-team squad

Out on loan

Transfers In PlayerTransferred fromFeeDateSource FeyenoordFree transferMF Matthew Sorinola MK DonsFree transferMF Marcel Lewis Chelsea F.C. Under-23sFree transferGK Lucas Pirard Waasland-BeverenUndisclosed feeMF Lorenzo Paolucci RegginaUndisclosed feeMF Jean Thierry Lazare RSC CharleroiLoanFW Roman Ferber Francs BorainsLoan returnFW Felipe Avenatti Standard LiègeLoanMF Damien Marcq Zulte WaregemFree transferFW Kaoru Mitoma Brighton & Hove AlbionLoan

Out PlayerTransferred toFeeDateSourceMF Mathias Fixelles KortrijkFree transferMF Marcel Mehlem SC PaderbornFree transferDF Sébastien PocognoliRetiredFreeDF Edisson Jordanov WesterloFree transferFW Roman Ferber RFC Mandel UnitedFree transferMF Nik Lorbek MuraUndisclosed feeDF Abdelmounaim Boutouil SCC MohammédiaUndisclosed feeFW Brighton Labeau Stade Lausanne OuchyFree transferDF Anas Hamzaoui Royal Excel MouscronLoanFW Aron Sigurðarson AC HorsensUndisclosed feeAC HORSENS HENTER ISLANDSK OFFENSIVSPILLER I ROYALE UNION SAINT-GILLOISE, achorsens.dk, 9 August 2021FW Ibrahima Bah Racing SantanderFree transferGK Kerian Atheba Diegem SportLoan

Pre-season and friendlies

Competitions Overall record

First Division A

League table

Results summary

Results by round

Matches The league fixtures were announced on 8 June 2021.

Play-Off I

Results summary

Results by round

Matches

Belgian Cup

Statistics Squad appearances and goals Last updated on 22 May 2022

! colspan=14 style=background:#dcdcdc; text-align:center|Goalkeepers

! colspan=14 style=background:#dcdcdc; text-align:center|Defenders

! colspan=14 style=background:#dcdcdc; text-align:center|Midfielders

! colspan=14 style=background:#dcdcdc; text-align:center|Forwards

! colspan=14 style=background:#dcdcdc; text-align:center|Players who have made an appearance this season but have left the club

Goalscorers

NameBelgian First DivisionBelgian CupTotal113FWDante Vanzeir911029FWDeniz Undav819318FWKaoru Mitoma314417MFTeddy Teuma213594MFLoïc Lapoussin2026MFCasper Nielsen2028MFJean Thierry Lazare112820MFSenne Lynen1017DFMatthew Sorinola10190FWFelipe Avenatti01116DFChristian Burgess011Own goals011Totals29837

Clean sheets

No.PlayerBelgian First DivisionBelgian CupTotal49 Anthony Moris50521 Lucas Pirard011Total506

References