The 8th Infantry Division (, 8-ya pekhotnaya diviziya) was an infantry formation of the Russian Imperial Army that existed in various formations from the early 19th century until the end of World War I and the Russian Revolution. The division was based in Warsaw in the years leading up to 1914. It fought in World War I and was demobilized in 1918.
Russian infantry divisions consisted of a staff, two infantry brigades and one artillery brigade. The 8th Infantry Division was part of the 15th Army Corps.