Chatham House
- 10 St James's Square, St. James's, London, SW1Y 4LE, United States of America
- Total Scholarships – 2
The Royal Institute of International Affairs, commonly known as Chatham House, is a British think tank based in London, England. Its stated mission is "to help governments and societies build a sustainably secure, prosperous, and just world". It is the originator of the Chatham House Rule.