Starfleet, Starfleet Security:
- Amaro
- Ayala
- Barnaby
- Burke
- Pavel Chekov
- Collins (Earth Starfleet)
- Compton
- Corelki
- Jenna D'Sora
- Daniels
- Dickerson
- Michael Eddington
- Evans
- Fields
- Galloway
- Garrovick
- Giotto
- Paul Gordon
- Grant
- Harris
- Hendorf
- Jackson
- Jiminez
- Johnson
- Kaplan
- Morgan Kelly
- Leslie
- Lewis
- Lopez
- Marple
- Matthews
- Molina
- Lisa Neeley
- Miles O'Brien
- O'Herlihy
- George Primmin
- Ramos
- Rayburn
- Malcolm Reed (Earth Starfleet)
- Reese
- Rizzo
- Sandra Rhodes
- Rowe
- Shea
- Sito Jaxa
- Stolzoff
- Tanner (Earth Starfleet)
- Torigan
- Tuvok
- Worf
- Tasha Yar
- Zabel (Earth Starfleet)
Alternate and parallel realities
Alternate timelines and parallel universe:
Background Information
Unfortunately, since Starfleet officers in both the security and engineering departments wore the same color uniforms on all the series (but not in the TOS-era movies), it can sometimes be difficult distinguishing which department an officer belongs to.