| Unknown Worlds of Science Fiction | |
|---|---|
 Issue #6 (Nov. 1975), cover art by Frank Brunner. | |
| Publication information | |
| Publisher | Curtis Magazines |
| Schedule | Bimonthly |
| Format | Ongoing series |
| Genre | |
| Publication date | January 1975 – November 1976 |
| No. of issues | 6 plus an annual |
Unknown Worlds of Science Fiction was a 1970s American black-and-white, science fiction comics magazine published by Marvel Comics' parent company, Magazine Management.
The anthology title featured original stories and literary adaptations by writers and artists including Frank Brunner, Howard Chaykin, Gene Colan, Gerry Conway, Richard Corben, Bruce Jones, Gray Morrow, Denny O'Neil, Roy Thomas, and others, as well as non-fiction articles about science fiction and interviews with such authors as Alfred Bester, Frank Herbert, Larry Niven, and A. E. van Vogt, some of whom had their works adapted here.