Sir Charles William Davidson KBE was an Australian politician. He was deputy leader of the Country Party from 1956 to 1963 and represented the party in federal parliament from 1946 to 1963. He served as Postmaster-General of Australia (1956–1963) and Minister for the Navy (1956–1958) in the Menzies Government.

The National Party of Australia, also known as The Nationals or The Nats, is a centre-right, agrarian political party in Australia. Traditionally representing graziers, farmers, and regional voters generally, it began as the Australian Country Party in 1920 at a federal level.