François Gagnepain (23 September 1866 – 25 January 1952) was a French botanist. The standard botanical author abbreviation Gagnep. is applied to plants described by Gagnepain.

With Achille Eugène Finet, he named a number of species within the botanical family Annonaceae.IPNI List of plants described & co-described by Achille Eugène Finet The genus Gagnepainia (family Zingiberaceae) was named in his honor by Karl Moritz Schumann.CRC World Dictionary of Plant Names: Common Names, Scientific ..., Volume 2 by Umberto Quattrocchi The French Academy of Sciences awarded Gagnepain the Prix de Coincy for the year 1907.

Selected publications Topographie botanique des environs de Cercy-la-Tour (Nièvre), Société d'histoire naturelle d'Autun, 1900 - Botanical topography involving the environs of Cercy-la-Tour (Nièvre). Contributions à la flore de l'Asie orientale, 1905, (in collaboration with Achille Eugène Finet) - Contributions to the flora of eastern Asia. Contribution à l'étude géo-botanique de l'Indo-Chine, 1926 - Contribution to the geobotanical study of Indochina.Google Search (publications)

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