René Viguier (19 May 1880, in Paris – 17 January 1931, in Caen) was a French botanist known for his investigations of plants within the family Araliaceae.
[1] He worked as a préparateur at the Muséum national d'histoire naturelle with Philippe Édouard Léon Van Tieghem, afterwards serving as maître de conférences at the Sorbonne.
From 1919 to 1931 he was a professor of botany at the University of Caen as well as director of city's botanical garden.
[3] The French Academy of Sciences awarded him the Prix de Coincy for 1909.
[5] The grass genus Viguierella was named in his honor by Aimée Antoinette Camus (1926).