Charles Vickery Drysdale FRSE CB OBE (8 July 1874 – 7 February 1961) was an English electrical engineer, eugenicist, and social reformer.

He is remembered for opening the second birth control clinic in Britain in 1921 and co-founding the Family Planning Association in 1930.

He completed his studies at the Central Technical College in South Kensington, where he was awarded the Siemens Medal.

His proposers were Charles Glover Barkla, James Robert Milne, Sir Thomas Hudson Beare, Magnus Maclean and Ernest George Coker.

Following his wife's death he went to live with his nephew at Ashley, Filsham Drive, Pebsham near Bexhill-on-Sea in Sussex and died there on 7 February 1961.

Following the end of the First World War in November he moved with the AES to Shandon on the western Scottish coast.

He also wrote the following books and papers: In 1898 he married Bessie Ingman Edwards (1871–1950) a teacher at Stockwell College in South London.