Jean-Marc Pontvianne (born 6 August 1994 in Nîmes) is a French athlete specialising in the triple jump. He represented his country at the 2017 World Championships finishing eighth in the final. His personal bests in the event are 17.13 metres outdoors (+0.6 m/s, Montgeron 2017) and 17.13 metres indoors (Bordeaux 2017).