Julijs Karlis Daniševskis (Russian: ???? ???? ???????????? ???????????, Karl Yuri Hristianovich Danishevsky; 15 May 1884, Doblen County – 8 January 1938, Kommunarka shooting ground, Moscow Oblast), alias Hermanis, was a Latvian Marxist and professional revolutionary.
He was a member of the Russian Bureau of the Central Committee of the Social Democracy of the Latvian Territory and also of the Revolutionary War Council of the Russian Soviet Federative Socialist Republic (1918).
Daniševskis was the deputy leader of the Latvian Socialist Soviet Republic under Peteris Stucka's leadership.