Bernhard Nathanson (22 April 1832 – 2 February 1916), born David Ber Nathanson or Dov Ber Nathanson (Hebrew: דֹּב-בֶּר בֵּן יְהוּדָה נָתָנְזוֹן, Yiddish: דב בער נאטאנזאהן), was a Jewish Russian Hebrew journalist and author. He was the biographer and publisher of the writings of Isaac Baer Levinsohn.