Yuliana Doncheva Petkova (; born 25 June 1965) is a Bulgarian politician, businesswoman and television personality.
Born in Shumen, Doncheva is a graduate of the University of Architecture, Civil Engineering and Geodesy, where her specialty was "Geodesy, Cartography and Photogrammetry". She also earned a degree in "European Integration and International Economic Relations" from the UNWE.
Between 2001 and 2005, Doncheva sat in the National Parliament as a member of the NDSV, being vice-chairperson of the parliamentary group of the party. She subsequently entered the ranks of the New Age (Bulgarian: ÃÂþòþÃÂþ ÃÂÃÂõüõ) party, remaining part of it until August 2012.
Doncheva is married to mixed martial artist Stanislav Nedkov.