| Breen | |
|---|---|
| Star Trek race | |
&sq=&lang=&file=File:ThotGor2375.jpg) Thot Gor, a Breen official from an episode of Star Trek: Deep Space Nine | |
| First appearance | |
| In-universe information | |
| Quadrant | Alpha |
| Home world | Breen |
| Language | Breen |
| Affiliation | Breen Confederacy Dominion |
The Breen are a fictional extraterrestrial species featured in the Star Trek science fiction franchise. They were first mentioned in "The Loss", a fourth-season episode of Star Trek: The Next Generation which first aired in 1990. References to them were made in several other Next Generation episodes, but they did not appear until the 1996 fourth season Star Trek: Deep Space Nine episode "Indiscretion". On Deep Space Nine, they played a significant role in the final story arc of the series in 1999, during which much information about them was revealed. The Breen's true appearance remained unknown to viewers until the 2024 fifth season of Star Trek: Discovery episode Mirrors while flashing back to reveal the history of the character L’ak.