Mornington (Irish: Baile Uà Mhornáin, meaning 'town of the mariner') is a coastal village on the estuary of the River Boyne in County Meath, Ireland approximately 5 km downriver from the centre of Drogheda. Together with the neighbouring villages of Laytown, Bettystown and Donacarney, it comprises the urban area of Laytown–Bettystown–Mornington–Donacarney with a combined population of 15,642 at the 2022 census.
The large townland of 1,223 acres (4.95Â km) is bound on the north by the River Boyne estuary and on the east by the Irish Sea. The townland extends along the seashore to Bettystown village and includes part of that village up to and including The Neptune Hotel. The townland, part of the civil parish of Colpe, touches on other townlands: Betaghstown to the south, Colp East and Colp West to the west and Donacarney Great and Donacarney Little to the south and west. Stameen lies to the west. Baltray, Beaulieu and Banktown lie across the Boyne.