德伊阿妮拉（英语：Deianira）。古希腊神话人物之一。其事迹见于剧作家索福克勒斯之记述，为赫拉克勒斯之第二任妻子。亦为古希腊神话之重要代表人物。

Deianira, Deïanira, or Deianeira (/ˌdeɪ.əˈnaɪərə/; Greek: Δηϊάνειρα, Dēiáneira, or Δῃάνειρα, Dēáneira, [dɛːiáneːra]), also known as Dejanira, is a figure in Greek mythology whose name translates as "man-destroyer" or "destroyer of her husband". The name Deianira refers to two separate characters in Greek mythology.