The Progressive Liberal Party (Bulgarian: Прогресивнолиберална партия, Progresivnoliberalna partiya, PLP) was a political party in Bulgaria.
In the 1901 elections the PLP emerged as the largest party, winning 40 of the 164 seats.
For the 1911 Constitutional Assembly elections the PLP ran in alliance with the People's Party, with the joint list winning 342 of the 410 seats.
[4] The alliance was continued for the parliamentary elections later in the year, with the two parties winning 190 of the 213 seats, of which the PLP took 91.
[5] Tsankov died in 1911, and was replaced as party leader by Stoyan Danev,[2] who served as prime minister for just over a month in the summer of 1913.