The 9th Infantry Division (, 9-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 Radom and later Poltava in the years leading up to 1914. It fought in World War I and was demobilized in 1918.
The 9th Infantry Division was part of the 10th Army Corps.