Bulgaria competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018, with 21 competitors in 6 sports.

The following is the list of number of competitors participating at the Games per sport/discipline.

Bulgaria has qualified 2 men and 1 female competitors Based on their Nations Cup rankings in the 2016–17 Biathlon World Cup, Bulgaria has qualified a team of 5 men and 5 women.

[4] Bulgaria has qualified 1 male athlete: Vladimir Zografski.

On 25 January they received a reallocation quota in the Women's giant slalom.