Frederick Tom Brooks FRS (17 December 1882 – 11 March 1952) was an English botanist, and was Professor of Botany at the University of Cambridge.
He was born in Somerset and attended Sexey's School, Somerset from 1895-1898. He went up to Emmanuel College, Cambridge in 1902 and became Professor of Botany there in 1936. He specialised in mycology and investigated, amongst other things, silver-leaf disease of fruit trees. His book Plant Diseases appeared in 1928.
He was elected a Fellow of the Royal Society in 1930  and died in Cambridge aged 70.