The Orient-Institut Beirut (OIB; Arabic: المعهد الألماني للأبحاث الشرقية) is one of ten German Humanities Institutes Abroad which belong to the Max Weber Foundation.

The OIB was established in 1961 by the Deutsche Morgenländische Gesellschaft (German Oriental Society) and is part of the Max Weber Foundation since 2003.

In 1963, the institute gained the legal recognition of the Lebanese government and moved to its present premises in the former Villa Maud Farajallah in the quarter of Zokak al-Blat, near the downtown area of Beirut.

Since 2003 the Orient-Institut Beirut belongs to the Max Weber Foundation – German Humanities Institutes Abroad.

Its collection includes studies on religion, philosophy, and law as well as on literature, history and contemporary themes related to the Middle East.