The <span lang="fr">Jardin botanique universitaire de Poitiers</span> (33 hectares) is a botanical garden and arboretum maintained by the University of Poitiers. It is located at 443 <span lang="fr">Route du deffend</span>, Mignaloux-Beauvoir, Vienne, Nouvelle-Aquitaine, France, and open daily without charge.
The garden is located on the former <span lang="fr">domaine du Deffend</span>, which was purchased by the state in 1962 and established as a regional plant heritage centre in 1996. It was named a botanical garden in 2005 with the following missions:
Today the garden contains two small forests (6 hectares), two ponds, a farm dating to the nineteenth century, and a 17th-century dovecote. Its arboretum contains 90 oak taxa, as well as a good collection of heritage apple trees. Other collections include local orchids, aquatic plants, and medicinal plants.