François Crépin (30 October 1830 – 30 April 1903) was an important botanist of the 19th century and director of the National Botanic Garden of Belgium.
Crépin was born in Rochefort, Belgium. The genus Crepinella (Araliaceae) is named after him. As a taxonomist he circumscribed numerous plants within the genus Rosa. He died in Brussels.
His Belgian herbarium and his herbier des roses are kept in the collections of the Botanic Garden Meise.