The 2022–23 season was the 123rd season in the history of FC Wil and their 19th consecutive season in the second division. The club participated in Swiss Challenge League and the Swiss Cup. The season covered the period from 1 July 2022 to 30 June 2023.
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.
^Lausanne-Ouchy were deducted 3 points on 1 November 2022, due to license violations.[2] This decision was overturned following the team's appeal on 22 November 2022.[3]