Hugh Fraser Ayson CMG (16 November 1884 – 1 February 1948) was a New Zealand lawyer, judge, and public administrator.

Ayson was born in Toiro, near Balclutha in South Otago, New Zealand on 16 November 1884.

[2] In 1916, Ayson was appointed a judge in the Native Land Court and the High Court of the Cook Islands at Rarotonga, also serving as Deputy Resident Commissioner to the islands.

[3] In 1918 he returned to New Zealand to become a judge in the Native Land Court in Rotorua.

Ayson was appointed a Companion of the Order of St Michael and St George (CMG) in the 1929 New Year Honours,[2] and in 1935 he was awarded the King George V Silver Jubilee Medal.