This is a list of Bulgarian football clubs in European competition.
Bulgarian clubs have participated since 1956, when CSKA Sofia entered the 1956–57 European Cup.
For the 2020–21 UEFA competitions, the associations will be allocated places according to their 2019 UEFA country coefficients, which will take into account their performance in European competitions from 2014–15 to 2018–19.
In the 2019 rankings that will be used for the 2020–21 European competitions, Bulgaria's coefficient points total is 17.500.
After earning a score of 4.000 during the 2018–19 European campaign, Bulgaria is ranked by UEFA as the 28th best association in Europe out of 55.