Jean François Aimé Théophile Philippe Gaudin or Jean François Aimée Gottlieb Philippe Gaudin (18 March 1766 in Longirod, canton de Vaud - 14 July 1833 in Nyon) was a Swiss pastor, professor and botanist. He was the author of the monumental Flora Helvetica in 7 volumes.
The annual grass genus Gaudinia, belonging to the Poeae, was named after his honor.