The following list includes U.S. 123 Agreements on bilateral civil nuclear cooperation.

A "123 Agreement" refers to Section 123 of the U.S. Atomic Energy Act of 1954, which provides the terms that must be included in U.S. agreements for nuclear cooperation with other states. The United States has entered into agreements with the following states or group of states:

• Argentina
• Australia
• Bangladesh
• Brazil
• Bulgaria
• Canada
• China
• Colombia
• Egypt
• European Atomic Energy Community (Euratom) [1]
• Indonesia
• International Atomic Energy Agency (IAEA)
• India
• Japan
• Kazakhstan
• Republic of Korea
• Morocco
• Norway
• Romania
• Russia
• South Africa
• Switzerland
• Taiwan [2]
• Thailand
• Turkey
• Ukraine
• United Arab Emirates
  
   

1. Euratom comprises the following Member States: Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, and the United Kingdom.

2. Pursuant to Section 6 of the Taiwan Relations Act, P.L. 96-8, 93 Stat. 14, and Executive Order 12143, 44 F.R. 37191, all agreements concluded with the Taiwan authorities prior to January 1, 1979, are administered on a nongovernmental basis by the American Institute in Taiwan, a non-profit District of Columbia corporation, and constitute neither recognition of Taiwan authorities nor the continuation of any official relationship with Taiwan.