Boothiella is a genus of fungi within the Chaetomiaceae family. This is a monotypic genus, containing the single species Boothiella tetraspora.
The genus name of Boothiella is in honour of Colin Booth (1924 - 2003), a British botanist (mycology) and plant pathologist. He was deputy director of the International Mycological Institute (IMI) in Kew.