Ralph Miliband (born Adolphe Miliband; 7 January 1924 – 21 May 1994) was a Polish-British Marxist sociologist.
Miliband was born in Brussels, Belgium to working class Polish Jewish immigrants. He was a Polish citizen from 1924-1948. He was a British citizen from 1948 until his death.
Ralph was married to Marion Kozak from September 1961 until his death. The couple's sons are David Miliband and Ed Miliband.
Miliband had heart disease. He had coronary artery bypasss surgery in 1991. He died of a heart attack in London. He is buried in Highgate Cemetery.