Sémelay (French pronunciation: [semlɛ]) is a commune in the Nièvre department in central France.

The town of Sémelay belongs to the canton of Luzy and the arrondissement of Château-Chinon (Ville).

[3] The river Alène flows westward through the southern part of commune.

It is situated at an altitude of about 294 meters.

This Nièvre geographical article is a stub.