Jean Bricmont (born in 1952) is a theoretical physicist and a professor at the Universite Catholique de Louvain. He works on statistical and mathematical physics but has also written about philosophy of science. He is mostly known to the non-academic audience for co-authoring Fashionable Nonsense (also known as Intellectual Impostures) with Alan Sokal, in which they criticize abuses of scientific concepts by postmodernist thinkers and relativism in the philosophy of science.