Roger Lespagnard (born 24 October 1946 in Ougrée, Belgium) is a former Belgian decathlete.
He returned to both Munich and Montreal in the 1972 and 1976 Olympics, finishing fourteenth and nineteenth respectively.
He coached Nafissatou Thiam in the heptathlon, among others in the 2016 and 2020 Summer Olympics where she twice won the gold medal.
He also led a political career, having been member of the Federal House of Representatives (1994-1999) and was the former mayor of Fleron, up until 2018.
This biographical article relating to Belgian athletics is a stub.