坦度螺酮（英语：Tandospirone），是一款在中国与日本经常被用作为抗焦虑剂与抗抑郁药的药物。坦度螺酮为氮哌酮，哌嗪一员，化学结构上与丁螺环酮相似。

Tandospirone (Sediel), also known as metanopirone, is an anxiolytic and antidepressant used in China and Japan, where it is marketed by Dainippon Sumitomo Pharma. It is a member of the azapirone and piperazine chemical classes and is closely related to other agents like buspirone and gepirone.