The Union of Free Democrats (Bulgarian: Съюз на свободните демократи, Sajuz na svobodnite demokrati) is a conservative political party in Bulgaria, led by Stefan Sofiyanski. It contested the 2001 elections as part of the United Democratic Forces electoral alliance, which picked up 51 of 240 seats. It is nowadays part of the Bulgarian People's Union, that at the last legislative elections in Bulgaria, 25 June 2005, 5.7 % of the popular vote and 13 out of 240 seats.