1st Maryland Infantry Regiment, Potomac Home Brigade
| 1st Maryland Infantry Regiment, Potomac Home Brigade | |
|---|---|
| Active | August 15, 1861, to December 1864 | 
| Country | United States | 
| Allegiance | Union | 
| Branch | United States Army Union Army  | 
| Type | Infantry | 
| Engagements | Battle of Harper's Ferry Battle of Gettysburg Battle of New Market (detachment) Battle of Monocacy (5 companies)  | 
| Commanders | |
| Colonel | William P. Maulsby | 
The 1st Maryland Infantry Regiment, Potomac Home Brigade was an infantry regiment that served in the Union Army during the American Civil War.