The2011 UEFA European Under-21 Championship started with a qualifying competition which began on 27 March 2009 and finished on 13 October 2010. The final tournament was held in Denmark between 11–25 June 2011.
The first stage of the qualifying competition was a group stage followed by play-offs. Each of the 10 group winners, as well as the four highest ranked second place teams, advanced to the play-off. The play-offs determined which seven nations joined Denmark in the final tournament. Denmark, as hosts, qualified automatically.
Teams that secured a place in the play-offs are highlighted in green in their respective qualifying groups. The teams are ordered by final group position.