Clair Graeme Leask, (30 October 1896 – 24 April 1974) was a senior officer of the Royal Air Force (RAF).
He began his career in the British Army and served with the Royal Flying Corps in the First World War, being credited with eight aerial victories to become a flying ace.
He flew over 100 sorties, and survived three forced landings.
He attained the rank of captain, and position as flight commander, in No.
84 Squadron.
He remained in the RAF after the war, being appointed Director-General of Engineering in the Air Ministry with the rank of air vice marshal after the Second World War.