O'Connell - GPO (Irish: Ó Conaill - AOP) is a stop on the Luas light-rail tram system in Dublin, Ireland.

It opened in 2017 as a stop on Luas Cross City, an extension of the Green Line through the city centre from St. Stephen's Green to Broombridge.

[1] It is located on O'Connell Street, a short distance from the General Post Office and provides access to the Spire of Dublin.

O'Connell - GPO's single platform is located to the east of the tracks, integrated into the central reservation of O'Connell Street.

It is a stop on the one-way system at the centre of the green line, and forms part of an interchange with the Red Line.