Edmund Carncross Best (26 March 1869 – 22 July 1944) was an Australian politician.
He was born at Forbes to bootmaker Christopher Best and Catherine Mary, née Doran.
On 17 August 1897 he married Elizabeth Jane Cock, with whom he had five daughters.
In 1925 he was elected to the New South Wales Legislative Assembly as a Nationalist member for Murrumbidgee.
With the reintroduction of single-member electorates he was elected to represent Ashburnham in 1927, but he was defeated in 1930.