Major General Walter Sneddon McKinnon, CB, CBE (8 July 1910 – 20 May 1998) was an officer in the New Zealand Army. He joined the military in 1935 and served in the Second World War with various artillery units of the Second New Zealand Expeditionary Force. After the war he held a series of senior positions in the army, culminating with a term as Chief of the General Staff from 1965 to 1967. In his retirement, he was Chairman of the New Zealand Broadcasting Corporation.