IFUSS maintains collaborative agreements with selected centers abroad, including the following:
- American Studies Institute – Seoul National University (Seoul, South Korea)
- UCD Clinton Institute for American Studies – University College Dublin (Dublin, Ireland)
- Center for American Studies and Research (CASAR) – American University of Beirut (Beirut, Lebanon)
- The University of Rome “La Sapienza” (Rome, Italy)
- International Institute of American Studies – Doshisha University (Kyoto, Japan)