The men's floor competition at the 2012 Summer Olympics was held at the North Greenwich Arena on 5 August.

[1] The top eight competitors in the qualification phase (with a limit of two per country) advanced to the apparatus final.

[2] *When two or more athletes record the same total score, the one with the highest execution score finishes ahead.

If the E-score is the same, then the one with the highest difficulty score finishes ahead.

*When two athletes record the same total score, the one with the higher execution score finishes ahead.