Steve Kardian (born October 7, 1957) is an American career law enforcement officer, detective, sergeant, chief criminal investigator, and contractor for the United States Marshals Service, who specializes in crime prevention and risk reduction for women's safety. Kardian lectures, teaches, and consults internationally. Between his personal engagements and his self-defense/safety certification organization, Defend University, Kardian trains thousands of people each year on safety and self-defense, as well as strategies and tactics uniquely tailored to women's safety.