2023 HJK season

The 2023 season was Helsingin Jalkapalloklubi's 115th competitive season. HJK entered the Veikkausliiga season as three time defending champions. In Europe, HJK qualified for the UEFA Europa Conference League group stage. After four years at the helm, Manager Toni Koskela was replaced by Toni Korkeakunnas mid-season.

Season Events
On 27 December 2022, Anthony Olusanya extended his contract with HJK until the end of the 2025 season.

On 4 January, David Ezeh signed a new contract with HJK until the end of the 2025 season.

On 10 January, Francis Etu signed a three-year contract with HJK.

On 12 January, HJK extended the loan-deal with Helsingborgs for Lucas Lingman until the end of the season.

On 14 January, HJK announced the singing of Georgios Kanellopoulos to a two-year contract, with an option of a third year, from Asteras Tripolis.

On 8 February, free-agent Dejan Iliev signed for HJK on a one-year contract, with the option of a second year.

On 10 February, HJK extended their contract with Samuel Anini Junior until the end of the 2024 season, and loaned him out to IFK Mariehamn for the season alongside Elmo Henriksson and Patrik Raitanen.

On 15 February, Santeri Hostikka signed a new contract with HJK until the end of the 2024 season.

On 16 February, HJK announced the singing of Nils Svensson from Vänersborgs IF, to a two-year contract with the option of a third year.

On 6 March, Altti Hellemaa extended his contract with HJK until the end of 2025, and then joined SJK on loan for the season.

On 4 April, HJK extended their contract with Kai Meriluoto until the end of the 2025 season.

On 24 July, HJK announced the signings of Filip Rogić and Niko Hämäläinen.

On 26 July, HJK announced the loan signing of Kristopher Da Graca from IK Sirius with the rights to make the move permanent at the end of the season.

On 3 August, HJK extended their contract with Aaro Toivonen until the end of the 2025 season. The following day, 4 August, HJK announced the signing of Niki Mäenpää on a contract until the end of the season as cover for the injured Dejan Iliev.

On 11 August, HJK announced the signing of Hassane Bandé from Amiens until the end of June 2025.

On 5 November, HJK exercised a clause in their contract with Jesse Öst to extend his contract with the club until the end of the 2024 season. The following day, 6 November, Kevin Kouassivi-Benissan extended his contract with the club until the end of the 2025 season.

On 28 November, Atomu Tanaka extended his contract with the club for another season, until the end of 2024.

Appearances and goals

 * colspan="16"|Players from Klubi-04 who appeared:
 * colspan="16"|Players from Klubi-04 who appeared:


 * colspan="16"|Players away from the club on loan:
 * colspan="16"|Players away from the club on loan:


 * colspan="16"|Players who left HJK during the season:
 * }
 * }