Traian Brăileanu or Brăilean (September 14, 1882 – October 3, 1947) was an Austro-Hungarian-born Romanian sociologist and politician. A native of the Bukovina region, he attended Czernowitz University, where he studied philosophy and classical languages, subsequently earning a doctorate. Ending up as a translator in Vienna, he fought for Austria during World War I. At the conclusion of hostilities, returned to the renamed Cernăuți, now part of Greater Romania. There, he soon became a professor of sociology, leading a "Cernăuți School" of academics during the interwar period.