Rajaona Andriamananjara FAAS FTWAS (1 December 1943–30 September 2016) was a Malagasy professor of social and economic sciences.

[1][2] He was the founder and director-general of Malagasy Institute of Planning Techniques and also the President of Madagascar's National Academy of Arts, Letters and Sciences (AcNALS).

[1][8] Andriamananjara worked as an economist with the International Monetary Fund.

[3][8] He was a member of   Malagasy Ethics Committee for Science and Technology (CMEST) and the president of Madagascar's National Academy of Arts, Letters and Sciences.

[2] He was a member of the Malagasy Ethics Committee for Science and Technology (CMEST) and was the president of Madagascar's National Academy of Arts, Letters and Sciences (2002–2016).