Abdoulaye Diaby (born 4 July 2000) is a Malian professional footballer who plays as a centre-back for Swiss Super League club Grasshopper Club Zurich and the Mali national team.
Club career Diaby began his career as a youth at Djoliba AC before moving to Belgium at the age of 19. He was loaned to Lokeren in 2019.
On 21 June 2021, Diaby signed with Újpest in Hungary.
On 25 June 2023, Diaby signed for Swiss Super League club St. Gallen on a two-year contract. He departed St. Gallen on 9 June 2025 at the end of his contract.
On 5 September 2025, he signed with league rivals Grasshopper Club Zurich. He joins them on a two-year deal, with an option for a further year. He was able to celebrate a 3–1 victory at home against FC Lausanne-Sport on his debut, on 14 September 2025. He came on after just 30 minutes, replacing the injured captain Saulo Decarli.
International career Diaby has played for Mali at the U17 and U20 level.
On 11 December 2025, he was included in Mali's squad for the 2025 Africa Cup of Nations.
Career statistics
Club
+ Appearances and goals by club, season and competitionClubSeasonLeagueCupContinentalOtherTotalDivisionAppsGoalsAppsGoalsAppsGoalsAppsGoalsAppsGoalsRoyal Antwerp2019–20Belgian First Division A0000000000Lokeren (loan)2019–20Belgian First Division B9110–00101Újpest2021–22Nemzeti Bajnokság I2013240–2732022–23Nemzeti Bajnokság I25430–00284Total455624000557St. Gallen2023–24Swiss Super League24021––2612024–25Swiss Super League1711060–241Total4113160–502Grasshopper2025–26Swiss Super League3010––40Career total9871131000011910
International
+ Appearances and goals by national team and yearNational teamYearAppsGoalsMali202450202530Total80
References