Coláiste Feirste is the only secondary-level Irish-medium school in Belfast, Northern Ireland. Previously known as Méanscoil Feirste, the gaelscoil (Irish language school) is located in the west of the city in a new facility on Belfast's Falls Road. Founded in 1991 with just nine pupils, as of 2022 the school had around 850 pupils and 65 teachers. The school was first situated in Cultúrlann McAdam Ó Fiaich and was opened under the supervision of the first school principal Fergus O'Hare who was replaced in 2002 by Garaí Mac Roibeaird as principal. Mícheal Mac Giolla Ghunna has been principal since 2019. The school is now situated in Beechmount, the former home of the Riddel family.

Notable former pupils