Quesnelia is a genus of plants in the family Bromeliaceae, subfamily Bromelioideae. The genus is named after French businessman and patron of botany Edouard Prosper Quesnel, of Le Havre (1781-1850). Endemic to eastern Brazil, this genus contains 22 known species. This genus has two recognized subgenera: the type subgenus and Billbergiopsis Mez.