Baron Charles George Maurice de Worms (19 January 1903 – 10 October 1979) was an English chemist and lepidopterist.

Charles de Worms was born in Parl Lane, London on 19 January 1903,[1] the son of Baron Anthony Denis Maurice George de Worms (1869–1938) and Louisa Matilda Goldscmidt.

[2] His paternal great-grandfather, Solomon Benedict de Worms (1801–1882), owned large plantations in Ceylon and was made a Hereditary Baron of the Austrian Empire by Franz Joseph I of Austria (1830–1916), and his paternal grandmother was Henrietta Samuel.

He became interested in ornithology but lepidoptera was his main interest and he published a large number of papers and notes mainly in the Entomologist's Gazette and The Entomologist's Record and Journal of Variation.

De Worms was an extensive traveller, collecting lepidoptera in Europe, North Africa, Australia, the West Indies and Canada.