The season covered the period from 1 July 2018 to 30 June 2019.

On 9 February 2019 Lechia wore their first ever non-green or non-white kit for a home match in the Ekstraklasa.

The team wore an all black kit in respect to Paweł Adamowicz, the mayor of Gdańsk, who was a lifelong Lechia fan who was murdered on 14 January 2019.

[1] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Key Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.