Blairo Borges Maggi (born 29 May 1956 in São Miguel do Iguaçu, Paraná, Brazil) is a soy plantation farmer and former governor of the state of Mato Grosso in Brazil. He graduated from Federal University of Paraná, majoring in agronomy.
Maggi also owns the Amaggi Group, a large company that harvests, processes, and exports soybeans. The Maggi group is also involved in the infrastructure projects that are necessary to sustain the soy industry, notably soy terminals, highways, and waterways.