Ethel Skakel Kennedy (born April 11, 1928 in Chicago, Illinois) is a member of the Kennedy political family by her marriage to Robert F. Kennedy. Her parents were Anne Brannack Skakel, who was Catholic, and George Skakel, who was Protestant. She was raised as a Catholic. Her father was the founder of the very successful Great Lakes Carbon Corporation.

Ethel attended Greenwich Academy, and The Convent of the Sacred Heart in the Bronx. In September 1945, Ethel began her education at Manhattanville College of the Sacred Heart, located in Purchase, New York. It was here where she met Jean Kennedy (sister of Robert F. Kennedy); they eventually became friends and roommates.

She met Robert F. Kennedy (Bobby) during a skiing trip to Mont-Tremblant, Quebec, Canada during the winter of 1945. He was dating Ethel's sister, Patricia Skakel. Eventually that relationship ended and Ethel and Bobby got together. Ethel campaigned for John F. Kennedy in 1946, and wrote her college thesis on his book Why England Slept. Bobby and Ethel became engaged in February 1950 and married on June 17, 1950. Ethel and Bobby moved to Charlottesville, Va., where they lived while Bobby finished his last year at the University of Virginia Law School. Their first child, Kathleen, was born on July 4, 1951.

On October 4, 1955, Ethel's parents died in a plane crash when their plane ran out of fuel. Her brother George also died in a plane crash in 1966, his widow, Pat, died shortly thereafter, leaving several children.

She eventually had 11 children with Bobby and was expecting her 11th when her husband was assassinated in 1968.

Ethel and Bobby's children were, in chronological order: Kathleen (b. 1951), Joseph (b. 1952), Robert (b. 1954), David (1955-1984), Courtney (b. 1956), Michael (1958-1997), Kerry (b. 1959), Christopher (b. 1963), Matthew (b. 1965), Douglas (b. 1967) and Rory (b. 1968).

Ethel Skakel Kennedy is the aunt of Michael Skakel. Michael's father is Rushton Walter Skakel, Ethel's older brother. Michael Skakel was convicted in 2003 of the murder of Martha Moxley.