Sutton railway station (Irish: Cill Fhionntáin) is a railway station in County Dublin, Ireland that serves the village and district of Sutton, and is also accessible from Baldoyle. The station is on the coastal road from Sutton to Baldoyle, near Sutton Golf Club. The ticket office is open from 05:45 to 20:00, Monday to Sunday.

The station opened on 30 July 1846. The Howth tram ran between here and Howth railway station until 1959.

From Monday to Friday, trains run every 20-30 minutes in both directions. On Saturdays, trains run every 25-35 minutes, and on Sundays, every 30-40 minutes. Trains to Howth depart from Platform 2, while trains bound for the City Centre depart from Platform 1.

Preceding station	Iarnród Éireann			Following station
Bayside		DART (Howth Branch)		Howth

All bus services operate from Monday to Friday, except for the Airport Connector Bus (102), which runs on weekends, linking the DART station to the airport. These services are managed by the private operator Go-Ahead Ireland under the Transport for Ireland brand.

Preceding station		Go-Ahead Ireland		Following station
Terminus		Go-Ahead Ireland Airport Connector 102		Portmarnock Blackberry Lane
Sutton St Fintan's Church		Go-Ahead Ireland Swords - Sutton 102a		Portmarnock Community School
Sutton Santa Sabina		Go-Ahead Ireland Balgriffin - Sutton 102C		Portmarnock Hillcourt
Sutton Santa Sabina		Go-Ahead Ireland Swords - Sutton 102t		Portmarnock Hillcourt

• List of railway stations in Ireland

• Irish Rail Sutton Station Website
• Eiretrains - Sutton & Baldoyle Station