Francis Delafield (August 3, 1841 – July 17, 1915) was an American physician, born in New York City. His father, Dr. Edward Delafield, was the son of the prominent John Delafield who had emigrated to America from London, England in 1783 carrying the provisional peace treaty between England and The United States. While his father Edward graduated Yale in 1812, Francis graduated at Yale (1860) and at the College of Physicians and Surgeons, Columbia University (1863), and after further study abroad practiced medicine in New York. Francis was appointed to the staff of Bellevue Hospital (1874), and to the chair of pathology and practice of medicine in the College of Physicians and Surgeons (1875–82).