Sign of the Unicorn
| Author | Roger Zelazny | 
|---|---|
| Cover artist | Margo Herr | 
| Language | English | 
| Series | Chronicles of Amber | 
| Genre | Fantasy | 
| Publisher | Doubleday | 
| Publication date | February 1975 | 
| Publication place | United States | 
| Media type | Print (hardcover & paperback) | 
| Pages | 186 | 
| ISBN | 0-385-08515-X | 
| OCLC | 1091638 | 
| 813/.5/4 | |
| LC Class | PZ4.Z456 Si PS3576.E43 | 
| Preceded by | The Guns of Avalon | 
| Followed by | The Hand of Oberon | 
Sign of the Unicorn is a fantasy novel by American writer Roger Zelazny, the third book in the Chronicles of Amber series. It was first published in serial format in Galaxy Science Fiction.