Ducos may refer to:
People with the surname Jean-Ernest Ducos de La Hitte, French nobleman Jean-François Ducos (1765–1793), French politician Juan García Ducós, Puerto Rican politician and senator Louis Arthur Ducos du Hauron (1837–1920), French pioneer of color photography Maurice Ducos (born 1904), French swimmer Roger Ducos, French political figure Théodore Ducos (1801–1855), French politician and shipowner Zoe Ducós (1928–2002), Argentinian actress
Places Canton of Ducos, Martinique Ducos, Martinique , New Caledonia
Other Pierre Ducos, character in Sharpe