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

[1] Twenty-two canoeists from 22 countries competed.

Daniele Molmenti of Italy won the gold medal.

Each athlete ran the course twice and the best of these two scores determined the 15 qualifiers for the semi-finals.

The canoeist with the best score won the gold medal.