R. Barrie Walkley (born 1944) is a career foreign service officer and the former Special Advisor to Secretary of State Clinton for the Great Lakes and the Democratic Republic of the Congo.

He was appointed to this position in December 2011 and served until June 18, 2013, when he was replaced by former U.S.

[1] Previously, he served as the American ambassador to Gabon and later to concurrent appointments to Guinea and to Sao Tome and Principe.

[2] He was called back to service and appointed Chargé d'Affaires for South Sudan at its independence.

He and his wife Annabelle were Peace Corps volunteers in Somalia (1967–1969).