Pierre Rebut (1827-1902) was a French botanist who specialized in cacti.

[2] He was awarded a gold medal by the Côte-d'Or Society of Horticulture and Arboriculture for having a large collection of cacti.

[3] In addition to cacti, his personal collection also included Crassula, Aloe, Agave, and Mesembryanthemum.

[2] His collection was also considered noteworthy by the Lyonnais Horticultural Society due to the aforementioned wide variety of species and rarity of some of the plants.

[2] The standard author abbreviation Rebut is used to indicate this person as the author when citing a botanical name.