The 11th Maryland Volunteer Infantry Regiment was an infantry regiment that served in the Union Army during the American Civil War.

The 11th Maryland Infantry was organized at Baltimore, Maryland, and mustered in on June 15, 1864, for 100 days under the command of Colonel William T. Landstreet.

The regiment was attached to 3rd Separate Brigade, VIII Corps, Middle Department, to July 1864. 1st Separate Brigade, VIII Corps, to October 1864.

The 11th Maryland Infantry mustered out of the service at Baltimore on June 15, 1865.

Moved to Monocacy Junction July 1, 1864. Guard duty at Monocacy and Mt. Airy, Maryland, until October 1, 1864. Battle of Monocacy July 9. Mustered out October 1, 1864. The regiment reorganized into three companies for one year service in December 1864. Companies A, B, and C were then consolidated with the 1st Eastern Shore Regiment January 1865. Company C on detached service at Relay House, Baltimore & Ohio Railroad. Company I at Baltimore. Rest of the regiment at Fort Delaware.

• Colonel William T. Landstreet

The regiment lost a total of 29 men during service, all due to disease.

• List of Maryland Civil War Units
• Maryland in the American Civil War

• Dyer, Frederick H. A Compendium of the War of the Rebellion (Des Moines, IA: Dyer Pub. Co.), 1908.
• Wilmer, L. Allison. History and Roster of Maryland Volunteers, War of 1861-5 (Baltimore, MD: Press of Guggenheimer, Weil, & Co.), 1898.

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.

• Monocacy Battlefield