Alejandro Montenegro
- Full Name: Alejandro Montenegro
- Born: 2351 (DS9 Novel: Mission Gamma: Lesser Evil)
- Species: Human
- Gender: Male
- Mid-2370s: Commander, Starfleet (DS9 Novel: Mission Gamma: Lesser Evil)
- Field promotion during Dominion War (DS9 Novel: Mission Gamma: Lesser Evil)
- Early 2376: Commander, executive officer, Starfleet; USS Gryphon (DS9 Novel: Mission Gamma: Twilight, Mission Gamma: This Gray Spirit, Mission Gamma: Lesser Evil)
- By August 2376: Succumbed to bluegill infiltration (DS9 Novel: Mission Gamma: Lesser Evil)