Poix may refer to:

People Duke of Poix, title in the peerage of France Gabriel Poix (1888–1946), French rower Vincent P. de Poix (1916–2015), American vice admiral

Communes in France Poix, Marne, Grand Est Poix-Terron, Ardennes department, Grand Est Poix-de-Picardie, Somme department, Hauts-de-France Poix-du-Nord, Nord department, Hauts-de-France Saint-Poix, Mayenne department, Pays de la Loire