2021–22 İstanbul Başakşehir F.K. season

The 2021–22 season was the 32nd season in the existence of İstanbul Başakşehir and the club's eighth consecutive season in the top flight of Turkish football. In addition to the domestic league, İstanbul Başakşehir participated in this season's edition of the Turkish Cup.

Kits
İstanbul Başakşehir's 2021–22 home and away kits, manufactured by Bilcee, released on 11 August 2021 and were up for sale on the same day. The third jersey was introduced separately on 3 September 2021, in a special screening.


 * Supplier: Bilcee
 * Main sponsor: Decovita


 * Back sponsor: Aksa
 * Sleeve sponsor: Jakamen, HDI Sigorta


 * Short sponsor: YKT Filo Kiralama
 * Socks sponsor: HDI Sigorta