The 2010–11 Ekstraklasa season was Lechia Gdańsk's 67th since their creation, and was their 3rd continuous season in the top league of Polish football.

On 7 August 2010 the club celebrated its 65th anniversary.

The season covers the period from 1 July 2010 to 30 June 2011.

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

Players may hold more than one non-FIFA nationality.