Sérgio Fernando Paranhos Fleury (19 May 1933 – 1 May 1979) was a Brazilian police deputy during the Brazilian military dictatorship. He was chief of DOPS, the Brazilian "Department for Political and Social Order", that had a major role during the years of the Brazilian military government. Fleury was known for his violent temper and was officially accused of torture and homicide of numerous people, but died before being tried.