Édouard Georges Delacroix (24 January 1858 in Montrouge – 1 November 1907 in Paris) was a French mycologist and plant pathologist.
Beginning in 1886 he worked in the laboratory of plant pathology at the Institut nationale agronomique, where he later served as a lecturer of descriptive botany (from 1895) and plant pathology (from 1898).
In 1899 he was named director of the Station de Pathologie végétale in Paris.
[1] His name is associated with the mycological species Aspergillus delacroixii (synonym, Aspergillus nidulans var.
echinulatus).