Max Sørensen (February 19, 1913 in Copenhagen – October 11, 1981 in Risskov) was a Danish diplomat, judge, and professor of international law.

He headed the Danish delegation for the first and second United Nations Law of the Sea Conferences in 1958 and 1960, respectively.

He was appointed to sit as judge ad hoc on the International Court of Justice by the governments of Denmark and The Netherlands for North Sea Continental Shelf cases (1968-1969).

From 1973 to 1979, Sørensen sat as a judge on the European Court of Justice alongside other famous jurist, including Pierre Pescatore, Robert Lecourt, André Donner, Alexander Mackenzie Stuart Hans Kutscher, and Josse Mertens de Wilmars.

Sørensen published his first legal paper at the age of 19, "La prescription en droit international".