- For other uses, see Addison.
- See Shepherd for other articles with titles that contain, either by relationship or by coincidence, this character's surname.
Addison Shepherd was a female Human engineer in Starfleet in the 23rd century. As of 2265, she held the rank of lieutenant, and was second-in-command of the engineering section of Vanguard, first under Curtis Ballard, and then under Isaiah Farber. (SCE eBook: Distant Early Warning)