The United People's Progressive Party (Bulgarian: Обединена народно-прогресивна партия, Obedinena narodno-progresivna partiya, ONPP) was a political party in Bulgaria.
[1] The ONPP joined the Constitutional Bloc alliance for the April 1923 elections,[2] which won 17 seats.
[3] Following the June 1923 coup, the party joined the Democratic Alliance,[1] which went on to win elections in November 1923.
The ONPP contested the 1927 elections alone, but received only 1.5% of the vote and failed to win a seat.
[4] In the 1931 elections its vote share fell to 0.6% and the party remained without a seat.