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. He received a primary education before working in a store, eventually becoming partner in a general store. On 17 August 1897 he married Elizabeth Jane Cock, with whom he had five daughters. From 1913 to 1925 he was a member of Parkes Shire Council, serving as mayor from 1921 to 1924. 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. Best died at Randwick in 1944.
|New South Wales Legislative Assembly|
| Member for Murrumbidgee
Served alongside: Buttenshaw, Flannery
| Member for Ashburnham