The 51st, or Pepperrell's Regiment of Foot was a British Army regiment first raised in 1754.
The regiment was first raised by Sir William Pepperrell in Massachusetts as Sir William Pepperell's Regiment of Foot and ranked as the 66th Regiment of Foot in September 1745. It was disbanded in May 1749.
The regiment was re-raised in New England as the 51st Regiment of Foot (Cape Breton Regiment) in December 1754 for service in the French and Indian War but, following the disastrous loss of Oswego, it was disbanded in December 1756.
- "51st Regiment of Foot (Pepperell's)". regiments.org. Retrieved 5 February 2017.