Edwin John Butler

Edwin John Butler (1874 in Kilkee, County Clare, Ireland, - 1943) was a plant pathologist in India and England, and director of the Imperial Mycological Institute. He was knighted in 1939.

In 1900 Butler was appointed as the first Cryptogamic Botanist to the Government of India.

Among his later studies were the Panama disease of bananas, Witchbroom disease of cacao in Trinidad and the Yellow Leaf disease of tea in Nyasaland.

 The standard botanical author abbreviation Butler is applied to plants and protists described by this mycologist, who should also appear on this list.