Danjou is a surname. Notable people with the surname include:
Félix Danjou (1812–1866), French organist, composer-arranger and organist Frédéric Danjou (born 1974), French footballer Georges Danjou (1862–1926), French physician, physiotherapist, military doctor, writer, and activist Isabelle Danjou (born 1969), French rower Jean Danjou (1828–1863), French military personnel of the Crimean War
See also Quartier Captaine Danjou, is a barracks in Castelnaudary in France D'Anjou, a short-necked cultivar of European pear