Poland competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018. It was the nation's 23rd appearance at the Winter Olympics, having competed at every Games since their inception in 1924. The Polish team consisted of 62 athletes in 12 sports, which is the largest ever Polish team, surpassing the 59 athletes that competed in 2014. Polish ski jumpers won one gold and one bronze medal, earning the 20th place at the medal table.
Ukraine competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018, with 33 competitors in 9 sports. Oleksandr Abramenko won the only medal for the country, a gold in men's aerials freestyle skiing, earning Ukraine the 21st place in the overall medal table.
Romania competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018, with 27 competitors in 8 sports.
Hungary competed at the 2018 Winter Olympics in PyeongChang, South Korea, from 9 to 25 February 2018. With the men's 5000 metre relay victory in short track speed skating, the nation had won its first ever Winter Olympic gold, and first Winter medal since 1980. Hungarian athletes have participated in all Winter Olympic Games.
Georgia competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 28 February 2018, with a total of four athletes in three sports.
Turkey competed at the 2018 Winter Olympics in PyeongChang, South Korea, from 9 to 25 February 2018. The Turkish team consisted of eight athletes, competing in four sports, including ski jumping for the first time.
Mexico competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018, with four competitors in three sports.
Moldova competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018, with two competitors in two sports.
Greece competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018, with four competitors in two sports. As the founding nation of the Olympic games and in keeping with tradition, Greece entered first during the opening ceremony.
Argentina competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018, with seven competitors in four sports.
Chile competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018. The Chilean delegation consisted of seven athletes, five of which were returning from the 2014 Winter Olympics. The three male and four female delegation competed in three sports.
Andorra competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018, with five competitors in three sports.
Iran competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018, with four competitors in two sports.
Montenegro competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018, with three competitors in two sports.
Iceland competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018, with five competitors in two sports.
Portugal competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018. Portugal's team consisted of two male athletes competing across two sports.
Serbia competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018, with four competitors in two sports.
Croatia competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018, with 19 competitors in four sports.
Liechtenstein competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018.
Macedonia competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018, with three competitors in two sports.
Yugoslavia (1924–1992)