Abdallah Baali (born 19 October 1954) is an Algerian career diplomat.
Baali was born in Guelma, Algeria. After he graduated from the Ecole Nationale d’Administration in 1977, he joined the Ministry of Foreign Affairs. He served as a counsellor at the Permanent Mission of Algeria to the United Nations from 1982 to 1989. From 1989 to 1992, he served as the Adviser to the Minister and Spokesman for the Ministry of Foreign Affairs. He has been the Ambassador of Algeria to Indonesia, Australia, New Zealand and Brunei Darussalam from 1992 to 1996, to the United Nations from 1996-2005 and to the United States of America since 2008. He was Permanent Representative of Algeria to the United Nations Security Council (2004–2005). He was President of the United Nations Security Council during December 2004. He has led Algerian delegations to various international conferences and to conferences on disarmament and on the Non-Proliferation Treaty. He has chaired several UN bodies and was as well President of the 6th NPT Review Conference (New York, 2000). He has published various articles pertaining to the 1996 Algerian Constitution, nuclear disarmament and the 2000 NPT Review Conference. He lectured in several American Universities.
Baali is married, with two children. He speaks Arabic, French, English, Spanish and Indonesian.