Edgar Keith Spinney, PC (January 26, 1851 – May 13, 1926) was a Canadian politician.
Born in Argyle, Nova Scotia, he was an insurance agent and merchant before being elected to the Canadian House of Commons for the Nova Scotia riding of Yarmouth and Clare in the 1917 federal election. He was defeated in the 1921 election and the 1925 election. From 1920 to 1921, he was a Minister without Portfolio in the cabinet of Arthur Meighen.