Julien Joseph Vesque (8 April 1848 Luxembourg - 25 July 1895 Paris), was a French naturalist, noted for his work on the agricultural and horticultural benefits deriving from the study of plant physiology. He was the father of Marthe and Juliette, the celebrated circus aficionados known as the Vesque Sisters. Vesque received his early education at the Athénée grand-ducal, moved to Paris in 1871, living and working there for the rest of his life.