| Unknown | |
| Author: | edited by Stanley Schmidt |
| Cover Artist: | Tom Kidd |
| Country: | United States |
| Language: | English |
| Genre: | Fantasy short stories |
| Publisher: | Baen Books |
| Release Date: | 1988 |
| Media Type: | Print (Paperback) |
| Pages: | 304 pp |
Unknown is an anthology of fantasy fiction short stories edited by Stanley Schmidt, the fifth of a number of anthologies drawing their contents from the classic magazine Unknown of the 1930s-1940s. It was first published in paperback by Baen Books in October 1988.
The book collects nine tales by various authors, together with an introduction by the editor.