Sergei Nikolaevich Rozanov (Russian: Сергей Николаевич Розанов; September 24, 1869 – August 28, 1937) was a lieutenant general, a leader of the White movement.

Member of the Russian–Japanese War: from October 12, 1904, Senior Adjutant of the Quartermaster General of the 2nd Manchurian Army.

In 1917, Rozanov's career made a big leap: on February 18, he became commander of the 162nd Infantry Division, and on August 25, the 41st Army Corps.

[3] In 1918, he entered the service in the Red Army, was appointed to the management of the All–Russian General Staff, but in September 1918 in the Volga Region, he went over to the side of the anti–Bolshevik Samara Government.

From September 25 to November 18, 1918 – Acting Chief of Staff of the Supreme Commander–in–Chief of All Armed Forces of the Committee of Members of the Constituent Assembly (Ufa Directory), General Boldyrev.

He was a supporter of a military dictatorship, but of the available candidates for the role of dictator, he preferred General Boldyrev.

Rozanov requested Omsk by telegraph and received an order from Kolchak to leave the troops in Vladivostok, which he did.

[6] Rozanov legalized the ataman administration, appointing Semyonov and Kalmykov as commissioners for the protection of public order with the rights of governors general.