Mark Hampton (born Mark Iredell Hampton Jr., June 1, 1940 – July 23, 1998) was an American interior designer, writer, and illustrator, known primarily for his residential interior design work for clients such as Brooke Astor, Estee Lauder, Mike Wallace, Saul Steinberg, H. John Heinz III, and Lincoln Kirstein, as well as for three U.S. presidents. In 1986, he was inducted into the Interior Design Hall of Fame, and in 2010, Architectural Digest named him one of the world's top 20 designers of all time.