The 1st Guards Special Rifle Corps (Russian: 1-й особый гвардейский стрелковый корпус 1-ĭ osobyĭ gvardyeĭskiĭ strelkovyĭ korpus) was a hastily formed Red Army blocking formation active briefly in 1941, during the German advance on Moscow. On 12 October 1941, by the order of STAVKA supreme command, the corps was transformed into the 26th Army. On 25 October 1941, its field HQ was disbanded, and its constituent formations were transferred to the 50th Army of the Bryansk Front.