The men's canoe slalom C-1 competition at the 2012 Olympic Games in London took place between 29 and 31 July at the Lee Valley White Water Centre.

[1] Seventeen canoeists from 17 nations competed.

The gold medal was won by Tony Estanguet of France.

[2] In the heats, each competitor had two runs; the 12 athletes with the best time qualified for the semi-finals.

Each semi-final consisted of one run each and the best eight competitors qualified for the final.