Sir Ivo Charles Clayton Rigby (2 June 1911 – 19 April 1987) was a BritIsh lawyer and judge. He served as a government lawyer and judge of a number of British colonies and protectorates in the mid 20th Century.
His last position before retirement was as Chief Justice of Hong Kong.
Rigby was born on 2 June 1911 in Yarmouth, Norfolk. He was the only son of James Philip Clayton Rigby.
He was educated at Magdalen College School, Oxford. He read for the bar at the Inner Temple and was called in 1932. He practised on the South Eastern Circuit, London and Norwich until 1935.
He married Agnes Bothway of Norwich on the Island of Madeira in 1937. They divorced in 1948 and he remarried to Kathleen Nancy Jones.
In 1935, he was appointed a Police Magistrate in Bathurst, Gambia in 1935. In 1941, he was appointed a Crown Counsel in Palestine. Between 1945 and 1948 he served as President of the District Court of Palestine, at Jerusalem, Tel Aviv and Haifa.
He then served as the Assistant Judge in Nyasaland (now Malawi) between 1948 and 1954.
In 1948 he was transferred to Malaya where between 1954 and 1956 he was President of the Sessions Court, Kuala Lumpur. In 1956, he was appointed Puisne Judge in Malaya, based in Penang.
In 1961, he was appointed Senior Puisne Judge in Hong Kong. He acted as Chief Justice on a number of occasions. In 1970, he was appointed Chief Justice of Hong Kong replacing Sir Michael Hogan.