Winikon is a municipality in the district of Sursee in the Canton of Lucerne in Switzerland .

On 1 January 2009 Winikon merged into the municipality of Triengen , the combined municipality is called Triengen.

Winikon has an area of 7.6 km2 (2.9 sq mi). Of this area, 63.8% is used for agricultural purposes, while 29.3% is forested. The rest of the land, (6.8%) is settled.

Winikon has a population (as of 2007) of 744, of which 7.3% are foreign nationals.