Auguste Jean Baptiste Chevalier (1873– 1956) was a French botanist, taxonomist, and explorer of tropical Africa, especially of French colonial empire Africa and Côte d'Ivoire. He also explored and collected plants in South America and tropical Asia. Chevalier was a prolific contributor to the knowledge of African plants, studying forest trees and their woods, grasses, and agricultural plants of Africa. Unlike other botanists who studied the plants of tropical Africa, Chevalier also ranged to the floral regions of the Sahara.