| Elizabeth Weir | |
 Elizabeth Weir in 2381 | |
| Full name: | Elizabeth Weir |
| Species: | Human |
| Gender: | Female |
| Homeworld: | Earth |
| Birthplace: | Earth |
| Born: | October 14, 2332 |
| Affiliation: | Federation, Starfleet, Starfleet Marine Corps |
| Family | |
| Mother: | Katherine Weir |
| Father: | Unnamed father |
| Marital Status: | Single |
| Spouse(s): | Simon Wallace (fiancée) |
| Career | |
| Occupation: | Starfleet officer, Starfleet Marine officer |
| Assignment: | Commanding officer, Atlantis Expedition, Starbase Atlantis (2379-present) |
| Rank: | Lieutenant General, Doctor |
| Insignia: |  
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Elizabeth Weir is a female Human Starfleet officer and Starfleet Marine officer who is a Lieutenant General in the Starfleet Marine Corps, the first woman commander of Stargate Command and the current commander of the Atlantis Expedition, commanding the expedition and Starbase Atlantis starting in 2379. (Star Trek: Myriad Universes)