Robert Keayne (1595 – March 23, 1656) was a prominent public figure in 17th-century Boston, Massachusetts. He co-founded the Ancient and Honorable Artillery Company of Massachusetts and served as speaker of the House of the Massachusetts General Court. Keayne was a prosperous London merchant who joined his fellow Puritans in Boston where he built a fortune. He was accused of unfair business practices, and brought before the legislature, the Massachusetts General Court. It found Keayne guilty, fined him, and compelled him to confess his "sins." He proclaimed his innocence, and justified his actions in elaborate detail in his will. It bequeathed £2500 to Boston, to upgrade the infrastructure with an aqueduct, relieve the city's poor, and fund the First Town-House, a grand public meeting plac