Richard Gustavovich Sorge (4 October 1895 – 7 November 1944) was a German-born Russian journalist and Soviet military intelligence officer who was active before and during World War II and worked undercover as a German journalist in both Nazi Germany and the Empire of Japan.

Mit brennender Sorge (in English "With deep [lit.

is a Japanese film directed by Masahiro Shinoda in 2003, about the Soviet spy Richard Sorge.