Parliamentary elections were held in Bulgaria on 17 August 1919 to elect members of the XVIII Ordinary National Assembly. The result was a victory for the Bulgarian Agrarian National Union, which won 77 of the 236 seats. Voter turnout was 55%.
BZNS formed a coalition government with the People's Party and the Progressive Liberal party. The government signed the Treaty of Neuilly. During its term several ministers from the government of Vasil Radoslavov were imprisoned, due to their involvement in Bulgaria's entry into WW1. Following , Prime Minister Stamboliyski requested the tsar schedule early elections, in the hopes of achieving an outright majority in the Assembly.