Robert Lewandowski was born in Warsaw, Poland.

Lewandowski began his football training at a local club, Varsovia Warsaw, before moving to Delta Warsaw and later to Legia Warsaw II.

Lewandowski played for Znicz Pruszków, scoring 36 goals in 59 appearances and helping the team win the third and second tiers of Polish football.

Lewandowski completed his Bachelor of Physical Education with coaching and management at the Academy of Sport Education in Warsaw.