Answer
Stone Cold Steve Austin was not a member of The Four Horsemen. The Four Horsemen was a professional wrestling stable in the National Wrestling Alliance (NWA) and World Championship Wrestling (WCW) that consisted of Ric Flair, Arn Anderson, Tully Blanchard, and Barry Windham. Austin, on the other hand, was a member of The Alliance, a stable in the World Wrestling Federation (WWF).