Clifford Leonard Clark "Cliff" Hanley was a Scottish journalist, novelist, playwright and broadcaster. He was educated at Eastbank Academy in Glasgow.
During the late 1930s, he was active in the Independent Labour Party. During the Second World War he was a conscientious objector.
He wrote a number of books, including Dancing in the Street, an account of his early life in Glasgow (in its contemporaneous serialisation in The Evening Times, retitled My Gay Glasgow), The Taste of Too Much (1960), a coming-of-age novel about a secondary schoolboy, and The Scots.
During the 1960s and 1970s, Cliff Hanley published several thrillers under the pen-name Henry Calvin.