Charles Geddes Coull Chesters OBE FRSE FLS (1904–1993) was a British botanist specialising in fungi and lichens.
He was awarded a place at Glasgow University in 1922 and graduated BSc in botany in 1926.
At this time he was working with Walter Stiles FRS at Birmingham University.
In 1944 he succeeded Thomas Bennet-Clark as professor of botany at Nottingham, holding this position for 25 years.
A commemorative bust to Chesters stands in the Biology Building at the University of Nottingham.