The 105th Guards Seoul Ryu Kyong-Su Armored Division is a military formation of the Korean People's Army.

The division was established in October 1948 as the 105th Armored Battalion and given its unit colors by Kim Il Sung a month later.

In the first days of the Korean War, under the command of Major General Ryu Kyong-Su, the 105th Armored Brigade reached Seoul on 28 June.

[5] The division was part of the North Korean advance from Seoul to Taejon and subsequent Battle of Pusan Perimeter between August and September 1950.

On November 7, U.N. aircraft reportedly destroyed six tanks, three armored cars, and 45 vehicles in Pakchon and the area eastward.