The Union of Orthodox Synagogues (UOS) is the coordinating body of Orthodox Synagogues in South Africa.^[1]

Activities

• The UOS maintains a Beth Din, The Johannesburg Beth Din
• The Office of the Chief Rabbi Dr. Warren Goldstein
• The Kashrut Division supervises the production of kosher foodstuffs
• Fights missionaries through Jews for Judaism
• Publishes a magazine Jewish Tradition
• Maintains a Community Development Division helping affiliated synagogues develop and grow.
• Hosts The Sinai Indaba - an annual Torah convention featuring international Jewish thinkers and leaders.

Chief Rabbis

• Judah Leo Landau (1915–1942)
• Louis Rabinowitz (1945–1961)
• Bernard M. Casper (1963–1987)
• Cyril Harris (1988–2004)
• Warren Goldstein (2005–present^[update])