New Writings in SF 3 is an anthology of science fiction short stories edited by John Carnell, the third volume in a series of thirty, of which he edited the first twenty-one. It was first published in hardcover by Dennis Dobson in 1965, followed by a paperback edition by Corgi the same year, and an American paperback edition by Bantam Books in February 1967. Selections from this volume, together with others from volumes 1-2 and 4 of the series, were later included in The Best from New Writings in SF, issued by Dobson in 1971 and Corgi in 1972.