The 21st Kansas Militia Infantry was an infantry regiment that served in the Union Army during the American Civil War.

The 21st Kansas Militia Infantry was called into service on October 9, 1864. It was disbanded on October 29, 1864.

The unit was called into service to defend Kansas against Maj. Gen. Sterling Price's raid. The regiment saw action at Byram's Ford, Big Blue, October 22. Westport October 23.

• Colonel Sandy Lowe

• List of Kansas Civil War Units
• Kansas in the Civil War

• Dyer, Frederick H. A Compendium of the War of the Rebellion (Des Moines, IA: Dyer Pub. Co.), 1908.

Attribution

• This article contains text from a text now in the public domain: Dyer, Frederick H. (1908). A Compendium of the War of the Rebellion. Des Moines, IA: Dyer Publishing Co.