Moei Wadi (Thai: เมยวดี, pronounced [mɤ̄ːj wā.dīː]; Northeastern Thai: เมยวดี, pronounced [mɤ᷇ːj wā.dīː]) is a district (amphoe) in the northern part of Roi Et province, northeastern Thailand.

The minor district (king amphoe) Moei Wadi was established on 1 April 1978, when the two tambons, Moei Wadi and Chumphon, were split off from Phon Thong district.

[2] The district is divided into four sub-districts (tambons), which are further subdivided into 43 villages (mubans).

There are no municipal (thesabans); there are four tambon administrative organizations (TAO).

This Roi Et Province location article is a stub.