- Born:9 January 1991 (28 years)
French judoka Guillaume Riou took a silver medal at the European Open in Belgrade in 2017. He became French senior champion in 2011 and 2013. He won the European Cup for seniors in Celje in 2018.
Competitions - Medal overview B S G
- World Cups/Continental Open 020
- European Cup Seniors 111
- International Tournaments 324
- National Championships Seniors 102