Michel Bussi (born (1965-04-29)29 April 1965 in Louviers, Eure, France) is a French author, known for writing thriller novels, and a political analyst and Professor of Geography at the University of Rouen, where he leads a Public Scientific and Technical Research Establishment (French: Unité mixte de recherche, "UMR") in the French National Centre for Scientific Research (French: Centre national de la recherche scientifique, "CNRS"), where he is a specialist in electoral geography.

According to the Le Figaro/GfK list of bestsellers, Bussi was the second bestselling French author of 2018, selling 975,800 copies. He has appeared in the annual top 10 since 2013.