Euphemia Vale Blake (née , Vale; pen names, E. Vale Smith and E. Vale Blake; 7 May 1817 – 21 October 1904) was a British-born American author and critic. She wrote extensively for the North American Review, the Christian Examiner, the Boston Evening Transcript, and other well-known publications. From 1857, she lived in Brooklyn, engaged in journalism. She was the author of Arctic Experiences; Teeth, Ether and Chloroform; History of Newburyport; A History of Tammany Hall, and Ocean Wonders (on sea life).