Richard Milford Blatchford (April 23, 1798 – September 4, 1875) was an attorney and political figure in New York City. A longtime political and legal associate of college classmate William H. Seward, Blatchford is most notable for his service in the New York State Assembly and as U.S. Minister to the State of the Church. He was also the father of Samuel Blatchford, who served as an associate justice of the United States Supreme Court.