Ireland at the 2018 Winter Olympics
Ireland competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018. Five athletes represented the country in four sports. OCI Chief Executive Stephen Martin was chef de mission. Ireland won no medals; the best finish was by Seamus O'Connor in the men's halfpipe snowboarding, who came 18th.
Competitors
The following is the list of number of competitors participating in the delegation per sport.| Sport | Men | Women | Total |
| Alpine skiing | 1 | 1 | 2 |
| Cross-country skiing | 1 | 0 | 1 |
| Freestyle skiing | 1 | 0 | 1 |
| Snowboarding | 1 | 0 | 1 |
| Total | 4 | 1 | 5 |
Alpine skiing
Ireland qualified two alpine skiers, one male and one female.Cross-country skiing
Thomas Hjalmar Westgård, whose mother is from Dunmore, County Galway and who represented Ireland at the 2017 FIS Nordic World Championships, competed for Ireland in 2018.;Distance
;Sprint
Freestyle skiing
;HalfpipeSnowboarding
Seamus O'Connor competed at the 2014 games in the men's halfpipe and men's slopestyle events and received funding for the 2018 event.;Freestyle