Denier may refer to:
People Jacques Denier (1894–1983), French painter Lydie Denier, French actress Robert E. DeNier (1921–2010), American politician C. Denier Warren (1889–1971), African-American actor
Other uses French denier (penny), a type of medieval coin Denier (unit), a unit of linear mass density of fibers Denier, Pas-de-Calais, France, a commune The Deniers, a 2008 book by Canadian environmentalist Lawrence Solomon
See also
Diener, German term for "servant; assistant" Denyer