Glencairn (Irish: Gleann an Chairn) is a stop on the Luas light-rail tram system in Dún Laoghaire–Rathdown, County Dublin, Ireland.

It opened in 2010 as a stop on the extension of the Green Line south from Sandyford to Brides Glen.

[1] The stop is located at the side of Murphystown Way, near Glencairn House, the official residence of the British ambassador to Ireland.

[2] To the south of the stop, the track continues in a reserved section at the side of the road.

The stop is served by Dublin Bus routes 47 and 118, providing connections to Stepaside and Belarmine, as well as further destinations such as Stillorgan and University College Dublin.