SC Diana Kattowitz was an ethnically German association football club playing in what was Kattowitz, Upper Silesia in Germany (now Katowice, Poland) during the inter-war period. Established 13 February 1905, it was one of a small number of clubs that made up the Kattowitzer Ballspiel-Verband alongside Preussen Kattowitz and Germania Kattowitz. With FC 1903 Ratibor, these clubs formed the Upper Silesian division (Bezirk Oberschlesien) of the Southeast German Football Federation in 1906.