Antoine Danchin (born 7 May 1944) is a French geneticist. He is best known for his research in several fields of biology, from the structure and function of adenylate cyclase, to modelisation of learning in the nervous system and the early development of genomics and bioinformatics. He is the Chairman of the startup AMAbiotics which specialises in metabolic bioremediation and synthetic biology. He was the director of the Department Genomes and Genetics at the Institut Pasteur in Paris where he headed the Genetics of Bacterial Genomes Unit.