花生四烯乙醇胺，亦称N-花生四烯乙醇胺或AEA ，是一种内源性的大麻醇类神经传导物质。此命名是取自梵文（和印度半岛宗教用语﹞的阿难陀(ananda)， 其意思是”喜悦、极乐、欣喜”，以及酰胺。它是由N-花生四烯酰磷脂酰乙醇胺透过多种途径合成。花生四烯乙醇胺，主要是由脂肪酸酰胺水解酶(FAAH)将其降解成乙醇胺和花生四烯酸。如此，脂肪酸酰胺水解酶(FAAH)的抑制物导致花生四烯乙醇胺层级的提升，并被用来从事治疗用途。

Anandamide, also known as N-arachidonoylethanolamine or AEA, is a fatty acid neurotransmitter derived from the non-oxidative metabolism of eicosatetraenoic acid (arachidonic acid) an essential ω-6 polyunsaturated fatty acid. The name is taken from the Sanskrit word ananda, which means "joy, bliss, delight", and amide. It is synthesized from N-arachidonoyl phosphatidylethanolamine by multiple pathways. It is degraded primarily by the fatty acid amide hydrolase (FAAH) enzyme, which converts anandamide into ethanolamine and arachidonic acid. As such, inhibitors of FAAH lead to elevated anandamide levels and are being pursued for therapeutic use.