Benjamin Loxley, also known as Benjamin Lockley (December 20, 1720 – October 10, 1801) was a Philadelphia carpenter-architect, master builder, investor and military leader in the American Colonial Period. He began his career by working as a carpenter-architect and renting out land outside the city. He then worked as a master builder and built various properties in the city. He invested in many schemes and was the largest stockholder of the Carpenters' Company of the City and County of Philadelphia at one point. He was also a philanthropist and participated in several civil activities.