Sir Allan George Mossop (30 July 1887 – 14 June 1965) was a British judge of South African origin who served in China.

He then went to university in England attending Pembroke College, Cambridge graduating with an MA and LLB.

[citation needed] In December 1933, he was appointed Chief Judge of the British Supreme Court for China on the retirement of Sir Peter Grain.

[6] His appointment as judge was formally terminated in May 1943 after the Sino-British Treaty for the Relinquishment of Extra-Territorial Rights in China was ratified.

He retired in 1947 and returned to his home in Fish Hoek, Cape Town, South Africa.