Francis Leonard Kellogg (January 5, 1917 – April 6, 2006) was an American diplomat, a special assistant to the Secretary of State during the Nixon and Ford Administrations and a prominent socialite in New York City.

Francis Leonard Kellogg was born on January 5, 1917, in Manhattan, at 118 East 70th Street.

He was executive vice president of the Electric Storage Battery Company in Philadelphia.

[1] He served in the United States Army during World War II.

[1] He served as Special Assistant to Secretaries of State William P. Rogers and Henry Kissinger.