Westermoordorf is a village (Ortsteil) of Großheide, a municipality in Lower Saxony, Germany.

It is located about 1.5 kilometers northwest of the village of Berumerfehn.

Since 1826, the peat colony founded has borne its current name,[1] which means either "village in the western moor" or "western village in the moor".

[2] The village has been part of the municipality of Großheide since the regional and administrative reform of 1 July 1972.

Before that, it belonged to the municipality of Berumerfehn, which was incorporated into Großheide.