The 18th Infantry Division (Russian: 18-я пехо́тная диви́зия, 18-ya Pekhotnaya Diviziya) was an infantry formation of the Russian Imperial Army during World War I and the Russian Civil War.

[1][2] It was formed in 1806 as the 10th Infantry Division.

It was renumbered in several subsequent reorganizations, becoming the 15th in 1820, the 12th in 1833, and the 18th in 1835.

[3]: 119 By 1914 it was part of the 14th Army Corps at Lublin.

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