| Club: | Kuala Lumpur City |
| Season: | 2023 |
| Ownertitle: | President |
| Owner: | Shahidan Kassim |
| Chrtitle: | CEO |
| Chairman: | Stanley Bernard |
| Mgrtitle: | Manager |
| Manager: | Nenad Baćina |
| Stadium: | Kuala Lumpur Stadium |
| League: | Malaysia Super League |
| League Result: | 7th |
| Cup1: | Malaysia FA Cup |
| Cup1 Result: | Runner-up |
| Cup2: | Malaysia Cup |
| Cup2 Result: | Semi Finals |
| League Topscorer: | Romel Morales (8) |
| Season Topscorer: | Romel Morales (13) |
| Leftarm1: | F50000 |
| Body1: | F50000 |
| Rightarm1: | F50000 |
| Shorts1: | FFFFFF |
| Socks1: | F50000 |
| Leftarm2: | 17193E |
| Body2: | 17193E |
| Rightarm2: | 17193E |
| Shorts2: | 17193E |
| Socks2: | 17193E |
| Prevseason: | 2022 |
| Nextseason: | 2024–25 |
The 2023 season is the 45th season in the existence of Kuala Lumpur City's and the club's 3rd consecutive season in the top flight of Malaysian football. In addition to the domestic league, the club also participating in this season's edition of Malaysia FA Cup and the Malaysia Cup.
| Position | Name |
|---|---|
| Manager/Head coach | Bojan Hodak |
| Assistant head coach | Miroslav Kuljanac |
| Assistant coach | Miro Petric |
| Shukor Adan | |
| Goalkeeper coach |  Guilherme Azevedo |
| Fitness coach | Afeeq Aqmal |
| Team doctor | Adzlan Amin |
| Hannan Haziq | |
| Physiotherapist | Afiqfuddin Salleh |
| Renesh | |
[1] SIIAIU23IU23U23U20SARemarks:
S These players are registered as ASEAN foreign players.
I These players are registered as International foreign players.
A These players are registered as Asia foreign players.
U23 These players are registered as Under-23 players.
U20 These players are registered as Under-20 players.
See main article: 2023 Malaysia Super League.
The league fixtures were announced on 25 January 2023.
See main article: 2023 Malaysia FA Cup.
|-! colspan=14 style=background:#dcdcdc; text-align:center| Goalkeepers|-! colspan=14 style=background:#dcdcdc; text-align:center| Defenders|-! colspan=14 style=background:#dcdcdc; text-align:center| Midfielders|-! colspan=14 style=background:#dcdcdc; text-align:center| Forwards|-! colspan=14 style=background:#dcdcdc; text-align:center| Players transferred out during the season|-
These Under-23 players or Kuala Lumpur City Extension participated in Malaysian Football League cup.
| Player | Position | Appearances | Goals | |
|---|---|---|---|---|
| Kuala Lumpur City Extension | ||||
| Azim Al Amin | GK | 1 | 0 | |
| Nashran Elias | DF | 1 | 0 | |
| Juzaerul Jasmi | DF | 1 | 0 | |
| Amirul Aiman | MF | 1 | 0 | |
| Faris Zabri | DF | 1 | 0 | |
| Faizal Hafiq | FW | 1 | 1 | |
| Hadi Mizei @ Termizi | MF | 1 | 0 | |
| Sachin Samuel | MF | 1 | 0 | |
| Suhaimi Abu | FW | 1 | 0 | |
| Loquman Syadiq | DF | 1 | 0 | |
| Alif Safwan | FW | 1 | 0 | |
| Khairul Naim | DF | 1 | 0 | |
| Izreen Izwandy | MF | 1 | 0 | |
| Azim Nadim | MF | 1 | 0 | |
| Amirul Zul Aiman | MF | 1 | 0 | |
| Own goals | 0 | |||
| Total goals | 1 | |||