Chanoch Ehrentreu (27 December 1932 – 24 November 2022) was a German-born British Orthodox rabbi. He served for many years as the head of the London Beth Din in Great Britain (also known as The Court of the Chief Rabbi), serving the United Synagogue Community and those independent Orthodox Congregations that accept the authority of the Chief Rabbi of the United Hebrew Congregations of the Commonwealth. He retired from the post in December 2006.