| Hartley's Additional Continental Regiment | |
|---|---|
| Active | 1777–1781 |
| Allegiance |  Continental Congress |
| Type | Infantry |
| Size | 8 companies |
| Part of | Continental Line |
| Engagements |
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| Commanders | |
| Notable commanders | Colonel Thomas Hartley |
Hartley's Additional Continental Regiment was an American infantry unit of the Continental Army that served for two years during the American Revolutionary War. The regiment was authorized in January 1777 and Thomas Hartley was appointed its commander. The unit comprised eight companies from Pennsylvania, Maryland, and Delaware. When permanent brigades were formed in May 1777, the regiment was transferred to the 1st Pennsylvania Brigade. Hartley's Regiment fought at Brandywine, Paoli, and Germantown in 1777. The unit helped defend the Pennsylvania frontier against indigenous raids in the Summer and early Fall of 1778. In January 1779, following a resolution of the Continental Congress the regiment, along with Patton's Additional Continental Regiment and part of Malcolm's Additional Continental Regiment, were combined to form a complete battalion known as the "New" 11th Pennsylvania Regiment. The 11th participated in the Sullivan Expedition in the summer of that year. In January 1781 the 11th merged with the 3rd Pennsylvania Regiment and ceased to exist.