Lichtenberg is a borough of Berlin, Germany. In 2001 it took over the old borough of Hohenschönhausen. Lichtenberg now has an area of 52.29 km2 (20.2 sq mi) and a population (as of 2003) of about 260,200 inhabitants.
The present mayor of the borough is Christina Emmrich (Die Linke).
Lichtenberg contains the Tierpark Berlin, the larger of Berlin's two zoological parks. Lichtenberg was also the site of the headquarters of the Stasi, the East German intelligence service. The complex is now a museum.
The Berlin-Hohenschönhausen Memorial is on the site of the main prison of the Stasi.