Guichard is a French surname, and may refer to:
Claire Guichard (born 1967), French politician Éric Guichard (born 1953), French cinematographer Jean Guichard (born 1952), French photographer Joseph Guichard (1806-1880), French impressionist painter Karl Gottlieb Guichard (1724-1775), German soldier and military writer Louis Pierre Guichard (1889–1986), French member of the resistance, mayor of the French city of Gargilesse-Dampierre. Mickaël Guichard (born 1993), French cyclist Olivier Guichard (1920–2004), French politician Xavier Guichard (1870-1947), French police detective and writer. He appears as a fictional character in works by Georges Simenon