Clonmellon (Irish: Ráistín, but also attested to originally have been Cluain Miolain[2]) is a small village officially in County Westmeath[3] although on the border with County Meath, Ireland.

It is situated on the N52 road between Kells in County Meath and Delvin in County Westmeath.

Ballinlough Castle, a 17th-century country house is located nearby.

The 18th-century Killua Castle is also located close to Clonmellon.

This article related to the geography of County Westmeath, Ireland is a stub.