Kenny O'Donnell
White House Appointments Secretary
In office January 20, 1961 – November 22, 1963
President	John F. Kennedy
Preceded by	Thomas Stephens (Appointments Secretary) Wilton Persons (Chief of Staff)
Succeeded by	W. Marvin Watson
Personal details
Born	Kenneth Patrick O'Donnell (1924-03-04)March 4, 1924 Worcester, Massachusetts, U.S.
Died	September 9, 1977(1977-09-09) (aged 53) Boston, Massachusetts, U.S.
Resting place	Holyhood Cemetery
Political party	Democratic
Spouse(s)	Helen Sullivan (1947–1977) Asta Steinfatt (1977)
Relations	Alice Guerin and Cleo Albert O'Donnell (parents)
Children	3 sons, 2 daughters
Education	Harvard University (BA) Boston College (LLB)
Military service
Allegiance	United States
Branch/service	U.S. Army Air Forces
Years of service	1942–1945
Battles/wars	World War II

Kenneth Patrick O'Donnell^[1] (March 4, 1924 – September 9, 1977) was an American political consultant. He was the special assistant and appointments secretary to President John F. Kennedy from 1961 until Kennedy's assassination in November 1963. O'Donnell was a close friend of President Kennedy and his younger brother Robert F. Kennedy.

O'Donnell also was an aide to President Lyndon B. Johnson from 1963 to 1965. He later was an adviser to Robert Kennedy's 1968 presidential campaign.

He died of gastrointestinal hemorrhage due to alcoholism in September 1977, aged 53.

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