André Pierre Jules Maublanc (24 July 1880, in Nantes – 30 April 1958, in Paris) was a French mycologist and plant pathologist.
Beginning in 1902, he worked as a préparateur at the Station de Pathologie végétale in Paris.
In 1912, he traveled to Brazil, where he was responsible for organizing the plant pathology laboratory at the National Museum in Rio de Janeiro.
In 1921, he was named head (chef de travaux) of botany and plant pathology at the Institut nationale agronomique.
[1] The mycological genera Maublancia (G.Arnaud, 1918) and Maublancomyces (Herter, 1950) commemorate his name.