The Royal Government of Cambodia has established diplomatic relations with most countries, including the United States. The RGC is a member of most major international organizations, including the UN and its specialized agencies. The RGC became a member of ASEAN in 1998.

The RGC is a member of most major international organizations, including the UN and its specialized agencies such as the World Bank and International Monetary Fund. The RGC is an Asian Development Bank (ADB) member, a member of ASEAN, and is in the process of securing membership in the WTO.