Walther Adrian Schücking (6 January 1875, Münster, Westphalia - 25 August 1935) was a German liberal politician, professor of public international law and the first German judge at the Permanent Court of International Justice in The Hague.
He was one of the six German delegates to the Paris Peace Conference and a negotiator of the Treaty of Versailles.
In 1995, the Institute of International Law at the University of Kiel was renamed the Walther Schücking Institute of International Law in his honor.
Schücking was born in Münster, Westphalia on 6 January 1875 to the district judge Carl Lothar Levin Schücking and his wife Luise Wilhelmine Amalie Beitzke (daughter of the politician and historian Heinrich Beitzke). His grandfather was the German novelist Levin Schücking (1814–1883). His brothers were Levin Ludwig Schücking (1878–1964), professor of English at the University of Leipzig, and Lothar Engelbert Schücking (1873–1943), lawyer, author and mayor of Husum. Schücking was married to Irmgard Auguste Charlotte Marte von Laer (1881–1952).
Walther Schücking in the German National Library catalogue (German)