Daniel Bertaux (born 27 February 1939) is a French sociologist. He uses biographies in the study of sociology, and studies social mobility and life histories. He has been active in the International Sociological Association, European Sociological Association and French Sociological Association (as founder and president). He edited Biography and Society (1981), texts presented in the World Congress of Sociology in Uppsala 1978. After the fall of the Soviet Union he collected and analysed life stories in Russia.