The 31-year old will be in charge of arguably the biggest game of his career since turning international in 2010.
Nampiandraza will be assisted by Yahaya Mahamadou (Niger) and Olivier Safari Kabene (DR Congo) with Moroccan Redouane Jiyed as fourth official.
For the third-place match between host Senegal and South Africa, Hudu Munyemana of Rwanda will be at the helm and assisted by Jerson Emiliano Dos Santos (Angola) and Mahmoud Ahmed Abo El Regal (Egypt). Joshua Bondo of Botswana will serve as the fourth official.