Alfredo Lopes Cabral (born 1946) is a Guinea-Bissauan diplomat and United Nations official.
From 1983 to 1986, Cabral was the Ambassador of Guinea-Bissau to Algeria, Tunisia and various countries of South-West Asia.
In 1996 and 1997, Cabral represented Guinea-Bissau on the Security Council, serving as its President in September 1996.
Cabral was appointed to his third term as Guinea Bissau's representative to the UN in 2003.
From 1987 and 1996, Cabral was the Ambassador of Guinea-Bissau to the United States, Canada, and Mexico.