2011 European Athletics Indoor Championships – Men's 400 metres

The Men's 400 metres event at the 2011 European Athletics Indoor Championships was held on March 4 & 5 with the final being held on March 5 at 17:45 local time.

First 2 in each heat and 2 best performers advanced to the Semifinals. The heats were held at 10:45.

First 3 in each heat advanced to the Final. The semifinals were held at 18:10.

The final was held at 17:45.