The history of the Jews in Pittsburgh dates back to the mid-19th century. In 2002, Jewish households represented 3.8% of households in Allegheny County, Pennsylvania. As of 2017, there were an estimated 50,000 Jews in the Greater Pittsburgh area. In 2012, Pittsburgh's Jewish community celebrated its 100th year of federated giving through the Jewish Federation of Greater Pittsburgh. The city's Jewish federation is one of the oldest in the country, marking the deep historical roots of Jews in Pittsburgh.

Tree of Life – Or L'Simcha Congregation is a Conservative Jewish synagogue in the Squirrel Hill neighborhood of Pittsburgh, Pennsylvania, in the United States. The congregation moved into its present synagogue building in 1953. It merged with Congregation Or L'Simcha in 2010, bringing its membership to 530 families.