Sir Charles Maurice Yonge, CBE, FRS (9 December 1899 – 17 March 1986) was an English marine zoologist.
He was born and later educated at Silcoates School, where his father was headmaster.
He was elected a Fellow of the Royal Society in 1946 and won its Darwin Medal in 1968.
Yonge also received an Honorary Doctorate from Heriot-Watt University in 1971.
Yonge married Mattie Lennox in 1927. They had two children, Elspeth (born April 4, 1931) and Robin (March 15, 1934). In 1955, Yonge became father-in-law of the physicist Bruno Touschek due to Elspeth's marriage.