Opopanax ("the juice of all-heal") can refer to:

Plants Opopanax, a genus in the family Apiaceae Vachellia farnesiana, a species in the family Fabaceae

Gum resins Perfumery's opopanax, the oleo-gum-resin of Commiphora guidottii The oleo-gum-resin of Commiphora kataf (syn. C. holtziana, C. erythraea), sometimes sold under the name of opoponax True opopanax, the gum resin of Opopanax chironium or other Opopanax species

Literature L'Opoponax, the 1964 novel in French by Monique Wittig