Petar Stefanov Stoyanov is a Bulgarian politician who served as President of Bulgaria from 1997 to 2002. A member of the Union of Democratic Forces (UDF), he was the party's nominee to succeed one-term president Zhelyu Zhelev in 1996. He was elected to the Presidency in 1996, but lost his reelection bid in 2001. Following a brief retirement from politics, he became an MP in 2005 and later Chairman of UDF from 1 October 2005 to 22 May 2007. He resigned following the 2007 European Parliament election.

The President of the Republic of Bulgaria is the head of state of Bulgaria and the commander-in-chief of the Bulgarian Army. The official residence of the president is at Boyana Residence, Sofia. After the completion of the second round of voting, candidate Rumen Radev was elected President of Bulgaria on 13 November 2016.