Ireland competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018.

[2][3] OCI Chief Executive Stephen Martin was chef de mission.

[4] Ireland won no medals; the best finish was by Seamus O'Connor in the men's halfpipe snowboarding, who came 18th.

The following is the list of number of competitors participating in the delegation per sport.

[5] Thomas Hjalmar Westgård, whose mother is from Dunmore, County Galway and who represented Ireland at the 2017 FIS Nordic World Championships,[6] competed for Ireland in 2018.