Sir Donald Claude Tebbit GCMG^[1] (4 May 1920 – 25 September 2010^[2]) was a British diplomat.

He attended The Perse School, Cambridge,^[3] and Trinity Hall, Cambridge. He was president of the Trinity Hall alumni association, the Trinity Hall Association, 1984–1985.^[4]

He was Chief Clerk of the Foreign and Commonwealth Office from 1973 to 1976,^[5] and British High Commissioner to Australia 1976–80.

In 2009 he was appointed a Vice-President of the Britain–Australia Society. On 25 September 2010 he died at age 90.