Mamadi Keïta (1933 – July 1985) was a leading Guinean politician and member of the Politburo of the First Republic of Guinea.

[4] In 1972, he was leader of the left-wing faction in the Politburo, and was engaged in a struggle with Ismaël Touré to be recognized as the next in line to succeed the president.

Sékou Touré remained president and Lansana Beavogui was given the newly created title of prime minister.

[5] In the summer of 1974 he attended the Sixth Pan-African Congress in Dar es Salaam, Tanzania, where he was chairman of the Political Committee, with Marcelino dos Santos of FRELIMO as vice-chairman.

[7] In November 1982, he attended the first session of the executive council of ISESCO (Islamic Educational, Scientific and Cultural Organization) in Rabat, Morocco.