List of fictional alien species: Q
| Name | Source | Type |
|---|---|---|
| Q | Star Trek | |
| Qou'thalas | The Journeyman Project 3: Legacy of Time | |
Quarians |
Mass Effect | |
Quarks |
Doctor Who | |
Quarren , aka "Squid Heads" |
Star Wars | |
Quintaglio |
Robert J. Sawyer's books | |
Quintesson |
Transformers | |
| Qwardians | DC Comics |