Unique was a science fiction fanzine by Arthur Williams published in London, England.
Williams had previously published The Science Fantasy Fan in 1941, but had fell ill and needed to abandon his publication while in the hospital. Upon his recovery, he resumed publishing in 1942 with the new title, Unique.
Issue two, published in 1942, consisted of a cover drawn by Williams, an editorial, poetry, and articles by Joe Gilbert (The Southern Star), R.W. Lowndes, John Edward Rennison, and Duane W. Rimel.
Four issues of Unique appeared in the 1940s, with the fifth issue retitled as Trends.