The 12th Infantry Division (Russian: 12-я пехотная дивизия, 12-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 Lutsk in the years leading up to 1914.

It fought in World War I and was demobilized in 1918.

[1][2] The 12th Infantry Division was part of the 12th Army Corps.

[2] January 1917: 5  • 6  • 2nd Caucasus