Elizabeth Shelby
- Full Name: Elizabeth Paula Shelby
- Species: Human
- Gender: Female
- November 2354: Cadet, Starfleet Academy (NF Novel: Stone and Anvil)
- September 2358: Ensign, Starfleet
- February 2366: Lieutenant commander, supervisor, Long-Range Threat Assessment and Response Division, Starfleet Tactical, Starfleet; Starbase 324 (NF Short Story: "All That Glisters..."; TNG: "The Best of Both Worlds")
- Focused on development and implementation of anti-Borg tactics and technologies (TNG: "The Best of Both Worlds")
- January 2367: Lieutenant commander, Starfleet Tactical, Starfleet; Starfleet Command (TNG: "The Best of Both Worlds")
- By October 2367: Commander, executive officer, Starfleet; USS Chekov (TNG Novel: Vendetta)
- By 2368: Commander, executive officer, Starfleet; USS Excalibur (NF Short Story: "Making a Difference")
- September 2375: Captain, commanding officer, Starfleet; USS Exeter (NF Novel: Excalibur: Requiem)
- March 2376: Captain, commanding officer, Starfleet; USS Trident (DS9 Novel: Demons of Air and Darkness)
- Still active as of August 2378 (TNG Novel: A Time to Hate)