Rathmolyon (; Irish: Ráth Máigh Laighin, meaning ‘ringfort of the Leinster Plain’) is a village in the southern portion of County Meath, Ireland, situated 8 km south of Trim. It is situated at the junction of the R156 regional road and the R159 regional road connecting Trim to Enfield. Rathmolyon serves as a service center for the surrounding rural area.