Isaías Henrique Ngola Samakuva (born 8 July 1946) is an Angolan politician who was the President of the National Union for the Total Independence of Angola (UNITA) from June 2003 to November 2019.

[3] In 1979 he was a delegate to the 12th Annual Conference of UNITA and elected member of the Central Committee, having been transferred to South Africa as representative of the movement led by Jonas Savimbi in that country.

[3] In 1984, he was appointed vice-president of the Foreign Affairs Committee of UNITA, and in 1986, at the party's sixth congress, he was elected to the permanent secretariat and to the direction of the cabinet of Jonas Savimbi.

In 2000, he was appointed head of the external mission of UNITA and, following the death of Jonas Savimbi in combat on February 22, 2002, he returned to Angola to discuss a ceasefire.

[4] Despite the party's objections to problems in the electoral process, Samakuva announced on 8 September 2008 that UNITA accepted the election results.