Bogdan Dimitrov Filov (10 April 1883 – 1 February 1945) was a Bulgarian archaeologist, art historian and politician. He was Prime Minister of Bulgaria during World War II. During his service, Bulgaria became the seventh nation to join the Axis Powers.
Born in Stara Zagora, Filov was partly educated in Imperial Germany at Leipzig, Freiburg, and Würzburg. His Ph.D. dissertation from Freiburg was published as a book – a supplement to the prestigious German magazine Klio in Leipzig. From May 1, 1906, he worked in the National Archaeological Museum in Sofia. Filov studied archeology and numismatics in Bonn, Paris and Rome in 1907–1909. He was the indisputable leader of "antique" (pre-classical) archaeology in Bulgaria. In 1918 he discovered Trebenishta, a necropolis of Peresadyes, rich with gold and iron artifacts. Between 1910 and 1920 Filov was Director of the National Archaeological Museum. He conducted the first studies of the ancient city of Kabile, near Yambol, in 1912. In 1920 Filov became a professor of archeology, and of art history, at Sofia University. In 1920 a Chair of Archaeology was established at the University, and Filov was appointed to it. The Archaeological Society in Sofia developed into an Archaeological Institute with a Department of Antique Archaeology. In 1937, Filov was elected chairman of the Bulgarian Academy of Sciences.