Susan Denise Page (born 1964) is retired American diplomat who served as the first US Ambassador to South Sudan and later served in senior representative roles at the United Nations including, the Special Representative of the UN Secretary General for the United Nations Mission for Justice Support in Haiti (MINUJUSTH) and Deputy Special Representative for the Rule of Law at the United Nations Stabilization Mission in Haiti (MINUSTAH).

[1][2] She is a 1982 alumna of Homewood-Flossmoor High School in Flossmoor, Illinois.

She has also studied at the University of St. Andrews in Scotland and conducted research on children and women's rights in Nepal through a Rotary International post-graduate fellowship.

[5] Page's ambassadorial nomination was announced by the White House on August 18, 2011[6] and she was confirmed on October 18, 2011.

In 2020, Page was appointed as Professor of Practice in International Diplomacy at the University of Michigan's Gerald R. Ford School of Public Policy, and Professor from Practice at the University of Michigan's Law School.