William Bywater Grove (24 October 1848 – 6 January 1938), was an English biologist, in particular a botanist and microbiologist. He is remembered in particular as a mycologist. He died in 1938 on the sixth of January when he was 89.
He was born in Birmingham, England. From 1887 to 1900 he was headmaster of the St Edmunds High School for boys, Birmingham. One of the pupils at that school during that period was Augustus Daniel Imms, a prominent entomologist. From 1905 to 1927 Grove lectured in botany at Birmingham Municipal Technical School.
Grove was the Honorary Curator of the Fungus Herbarium at the University of Birmingham.
Grove's publications include: