Colin Greenland (born 17 May 1954 in Dover, Kent, England) is a British science fiction writer, whose first story won the second prize in a 1982 Faber & Faber competition. His best known novel is Take Back Plenty (1990), winner of both major British science fiction awards, the 1990 British SF Association award and the 1991 Arthur C. Clarke Award, as well as being a nominee for the 1992 Philip K. Dick Award for the best original paperback published that year in the US.
Colin Greenland's first published book was a critical look at the New Wave, based on his Ph.D thesis, The Entropy Exhibition: Michael Moorcock and the British 'New Wave' in Science Fiction (1983). His most successful fictional work is the Plenty series that starts with Take Back Plenty and continues with Seasons of Plenty (1995), The Plenty Principle (1997) and Mother of Plenty (1998).
Besides his work on fiction, Greenland has continued to write non-fiction books and has been active in the Science Fiction Foundation, as well as serving on the editorial committee of Interzone. He has been a guest speaker at four separate Microcons: 1988, 1989, 1993 and 1994.
His partner is Susanna Clarke, with whom he has lived since 1996.
He is good friends with Neil Gaiman, and is frequently cited among Gaiman's acknowledgments pages.