Salvinorin-A is a chemical compound (C23H28O8), the main active psychotropic constituent of salvia divinorum, or diviner's sage (c.f.). Recent research suggests that this diterpene acts as a kappa opioid receptor agonist.

IUPAC name: (2S,4aR,6aR,7R,9S,10aS,10bR)- 9-(acetyloxy)-2-(3-furanyl)dodecahydro-6a,10b-dimethyl- 4,10-dioxo-2H-Naphtho[2,1-c]pyran-7-carboxylic acid, methyl ester