José María Ruda (Buenos Aires, 1924 – Spain, 7 July 1994) was an Argentine jurist.
Between 1964 and 1972 he held a seat on the United Nations International Law Commission.
He also served as the Argentine ambassador to the United Nations between 1966 and 1970.
He then served as a judge on International Court of Justice ("World Court") from 1973 to 1991.
During this period he served as the president of the International Court of Justice between 1988 and 1991.