Bárbara Catalina Riveros Díaz (born 3 August 1987, in Santiago de Chile) is a Chilean professional triathlete, 2008, 2012, 2016, and 2020 Olympian.

In France, Bárbara Riveros takes part in the prestigious Club Championship Series Lyonnaise des Eaux.

In 2011, Riveros represents Tri Val de Grey and won the opening triathlon in Nice (24 April 2011), and she placed third at the second Grand Prix triathlon in Dunkirk (22 May 2011) behind Andrea Hewitt and Emma Moffatt.

In the nine years from 2002 to 2010, Bárbara Riveros took part in 47 ITU events and achieved 27 top ten positions.

BG = the sponsor British Gas · DNF = did not finish · DNS = did not start