[5] The United States women's national ice hockey team won the gold in the women's ice hockey tournament for the first time since the inauguration of the sport in 1998 over the four-time defending gold medalist Canada in an overtime penalty shootout.

[8] *The United States qualified for 12 positions in curling, but two athletes competed in both the 4-person and mixed doubles tournament.

Jacqueline Wiles was initially named to the team but withdrew after suffering knee and leg injuries in a February 3 World Cup race;[9] the quota spot was filled by Tricia Mangan.

[10] Steven Nyman was initially named to the team but withdrew after tearing his right ACL during a training run;[11] the quota spot was filled by Alice Merryweather.

[12] Men Women Mixed * - Winner decided by total time of fastest male and female skiers Based on their Nations Cup rankings in the 2016–17 Biathlon World Cup, the United States qualified a team of 5 men and 5 women.

[13][14] Men Women Mixed Based on their rankings in the 2017–18 Bobsleigh World Cup, the United States qualified 8 sleds.

Summary Key: The United States men's national ice hockey team qualified by finishing 5th in the 2015 IIHF World Ranking.

Qualification playoff Quarterfinal The United States women's national ice hockey team qualified by finishing 1st in the 2016 IIHF World Ranking.

[27] According to the ISU Special Olympic Qualification Rankings, United States qualified a total of 8 athletes.

Following a vote, which ended up in a 4-4 tie between Hamlin and speed skater Shani Davis, the winner was decided via a coin toss in accordance with the rules.