Juozas Ambrazevicius or Juozas Brazaitis (December 9, 1903 in Trakiškiai, Marijampole parish – November 28, 1974 in South Orange, New Jersey), was a Lithuanian literary historian, better known for his political career and nationalistic views.
He was the acting Prime Minister of the Provisional Government of Lithuania from June 23, 1941 to August 5, 1941.