The 2016 ITU World Triathlon Series was a series of nine World Championship Triathlon events that lead up to a Grand Final held in Cozumel. The Series was organised under the auspices of the world governing body of triathlon, the International Triathlon Union (ITU).
The 2016 series visited nine cities around the world. This figure, one lower than 2015, recognised the triathlon at Rio 2016.