The 2022–23 season is the 121st season in the history of FC Aarau and their eighth consecutive season in the second division. The club are participating in Swiss Challenge League and the Swiss Cup. The season covers the period from 1 July 2022 to 30 June 2023.

Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.

No. Pos. Nation Player 1 GK  SUI Simon Enzler 2 DF  SUI Marco Thaler 3 DF  SUI Bastien Conus 6 MF  LBR Allen Njie 7 MF  SUI Nuno da Silva 8 MF  SUI Olivier Jäckle (vice-captain) 9 FW  KOS Shkelqim Vladi 10 FW  ALB Shkëlzen Gashi (captain) 11 MF  KOS Milot Avdyli 13 MF  POR Ivo Candé 14 DF  SUI Jan Kronig 17 MF  SUI Valon Fazliu

No. Pos. Nation Player 19 MF  SUI Silvan Schwegler 20 MF  MKD Nikola Gjorgjev 21 MF  SUI Mischa Eberhard (on loan from Young Boys) 22 DF  ALB Arijan Qollaku 23 MF  KOS Imran Bunjaku 26 FW  POR Mickaël Almeida 27 FW  SUI Andrin Hunziker (on loan from Basel) 28 GK  SUI Joschua Neuenschwander 29 DF  SUI Noël Wetz 30 MF  GER Varol Tasar (on loan from Luzern) 41 MF  SUI Samuel Krasniqi 55 DF  SRB Aleksandar Cvetković

Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.

No. Pos. Nation Player — GK  SUI Anthony von Arx (at Cham until 30 June 2023) — GK  SUI Marvin Hübel (at Baden until 30 June 2023) — GK  SUI Joël Bonorand (at Cham until 30 June 2023) — DF  SUI Flavio Caserta (at YF Juventus until 30 June 2023)

No. Pos. Nation Player — DF  SUI Binjamin Hasani (at Baden until 30 June 2023) — DF  SUI Fabrice Suter (at Kriens until 30 June 2023) — MF  SUI Nik Dubler (at Kriens until 30 June 2023)

  Win   Draw   Loss   Fixtures

Waldhof Mannheim v Aarau

29 June 2022 Friendly	Waldhof Mannheim	2–0	Aarau	Forst
18:00 CEST (UTC+2)				Stadium: Waldseestadion

Schötz v Aarau

8 July 2022 Friendly	Schötz	1–3	Aarau	Switzerland
CEST (UTC+2)

Luzern v Aarau

23 September 2022 Friendly	Luzern	6–0	Aarau	Switzerland
CET (UTC+1)

Chindia Târgoviște v Aarau

8 January 2023 Friendly	Chindia Târgoviște	2–1	Aarau	Belek, Turkey
15:00 CET (UTC+1)				Stadium: Calista Sports Center - Field A

Turan Tovuz v Aarau

13 January 2023 Friendly	Turan Tovuz	1–0	Aarau	Belek, Turkey
13:30 CET (UTC+1)				Stadium: Calista Sports Center - Field A

Austria Lustenau v Aarau

21 January 2023 Friendly	Austria Lustenau	v	Aarau	Lustenau, Austria
--:-- CET (UTC+1)				Stadium: Reichshofstadion

The league fixtures were announced on 17 June 2022.^[5]