Note: Flags indicate national team as has been defined under FIFA eligibility rules.

The list is sorted by squad number when total clean sheets are equal.

Numbers in parentheses represent games where both goalkeepers participated and both kept a clean sheet; the number in parentheses is awarded to the goalkeeper who was substituted on, whilst a full clean sheet is awarded to the goalkeeper who was on the field at the start of play.

Source: [citation needed] Cardiff City's fixtures were announced on 24 June 2021.

[56] Cardiff were drawn at home to Preston North End in the third round.