Desormeaux is a French surname that may refer to Antonin Jean Desormeaux, 19th century French inventor J. Keith Desormeaux (born c. 1967), American horse trainer Kent Desormeaux (born 1970), American jockey, brother of Keith Mélissa Désormeaux-Poulin (born 1981), French Canadian actress Michael Desormeaux (born 1985), American football defensive back Pierre Désormeaux (born 1952), Canadian handball player
See also Dollard-des-Ormeaux, on-island suburb of Montreal in Canada Childs v Desormeaux, a Supreme Court of Canada decision on the topic of social host liability