De Bary

De Bary may refer to:


 * DeBary, Florida, city in the United States
 * De Barry family, noble family of Cambro-Norman origins
 * Heinrich Anton de Bary (1831–1888), German scientist
 * Jakob Erckrath de Bary (1864–1938), German fencer
 * William Theodore de Bary (1919–2017), American sinologist and East Asian studies expert