Laurence Lebeau (married name is Monclar) (born 4 June 1957 at Longeville-lès-Metz) is a former French athlete, who specialized in the 100 meters hurdles.
In 1975, Laurence Lebeau became the first French junior champion of Europe in any sport, by winning 100 hurdles during the European Junior Championships, at Athens.
She won three titles of champion of France: two in the 100 meters hurdles in 1978 and 1980, and one Indoors in the 60m hurdles in 1980. She twice improved the , bringing it to 13.20s then to 13.03s in 1980. She also held the record for the France 50 m hurdles(Indoors) running 6.98s (1981).
She participated in the 1980 Olympics, at Moscow, and reached the semifinals of the 100m hurdles.
She is the wife of , basketball player and coach with whom she had three children, Julian and , also basketball players.