Hsu Mo (Chinese: 徐謨; pinyin: Xú Mó; Wade–Giles: Hsu Mo; October 22, 1893 in Suzhou, province of Jiangsu – June 28, 1956 in The Hague) was a Chinese lawyer, politician and diplomat.

He worked from 1931 to 1941 as deputy foreign minister of his country, as ambassador to Australia and to Turkey, and from 1946 until his death as a judge at the International Court of Justice.

In 1928, he moved to the Chinese Foreign Ministry, where he worked as a consultant and later as Director of the European-American and Asian Department.

After the end of World War II, in April 1945, he participated on the United Nations Committee of Jurists in Washington DC, tasked with preparing draft statutes for the then contemplated International Court of Justice.

He also served as the rapporteur of the Committee on Chapter VI of the United Nations Charter on the Regulations for the Peaceful Settlement of Disputes.