The Autonomist People's Union (Italian: Unione Popolare Autonomista) was a christian-democratic Italian political party active in Trentino. The party was previously known as Democratic People's Union (1998 regional election) and People's Centre (2003 provincial election).
The party emerged from the provincial section of the United Christian Democrats (CDU) but soon splintered from it. In the 1998 provincial election the party obtained 10.4% and 3 provincial deputies, while five years later stopped at 2.2%. The party had however a convincing result in the 2006 general election, when its leader Gubert won 11.0% of the vote in the senatorial constituency of Pergine Valsugana.
The party's long-time leader was Renzo Gubert, deputy from 1994 to 1996 and senator from 1996 to 2006. During his last term in the Senate, Gubert was affiliated to the Union of Christian and Centre Democrats (UDC), but he broke with that party before the 2006 general election and later joined the Christian Democracy for Autonomies (DCA). As regional section of DCA, the party merged into The People of Freedom, whose list for the 2008 provincial election included Renzo Gubert, who failed election.