The United People's Progressive Party (, Obedinena narodno-progresivna partiya, ONPP) was a political party in Bulgaria.

History The party was formed by a merger of the People's Party and the Progressive Liberal Party in 1920, with People's Party leader Ivan Evstratiev Geshov elected as the new party's first leader.Raymond Detrez (2006) Historical Dictionary of Bulgaria Scarecrow Press, p122 The ONPP joined the Constitutional Bloc alliance for the April 1923 elections,Nohlen, D & Stöver, P (2010) Elections in Europe: A data handbook, p374 which won 17 seats.Nohlen & Stöver, p385

Following the June 1923 coup, the party merged into the Democratic Alliance, which went on to win elections in November 1923.

Breakaways from the Democratic Alliance affiliated with the ONPP contested in the November 1923 and 1927 elections, but failed to win a seat.Nohlen & Stöver, p386

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