Amfepramone (INN, other names diethylcathinone and diethylpropion, trade names Anorex, Linea, Nobesine, Prefamone, Regenon, Tepanil, Tenuate), is a stimulant drug of the phenethylamine, amphetamine, and cathinone chemical classes that is used as an appetite suppressant.

Amfepramone itself lacks any affinity for the monoamine transporters and instead functions as a prodrug to ethcathinone. Ethcathinone (and therefore amfepramone as well) is a very weak dopaminergic and serotonergic, and is approximately 10x and 20x stronger on norepinephrine in comparison, respectively. As a result, ethcathinone and amfepramone can essentially be considered selective norepinephrine releasing agents (NRAs).

Amfepramone is believed to have relatively low abuse potential.

Amfepramone is classified as a Schedule IV controlled substance in the United States. In the UK Amfepramone is a class C drug.