In the history of Starfleet, there have been many notable officers holding the rank of lieutenant (or the subordinate lieutenant rank, lieutenant junior grade).
Lieutenants
Earth Starfleet
Starfleet (Earth)
Federation Starfleet
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A
B
- David Bailey
- Ballard
- Reginald Barclay
- Barnaby
- Bartel
- Julian Bashir (since 2372)
- Walter Baxter
- Gregory Bergan*
- Harry Bernard
- Boma
- John Bowler*
- Boylen*
- Branson
- Brent
- Randi Bryce
- Maxwell Burke
C
- Joseph Carey
- Carver
- Christine Chapel (TAS, TMP)
- William Chapman
- Pavel Chekov (2270s)
- Chang
- Chu'lak
- Cleary
- Corrigan
- Costa
- Barbara Covington
- Curtis
D
E
- English, Russ
- Erikson
- Evans
F
G
H
I
J
K
L
- Geordi La Forge (until 2366)
- Jay Laprade
- Latimer
- Susanna Leijten
- Leslie
- Rose Limli
- Karen Loews
- Logan
- J. Lyman
M
- Mallory
- Marple
- Martin
- Charlene Masters*
- Larry Matson
- McConnell
- McDowell (since 2369)
- Marla McGivers*
- Minnerly*
- Marlena Moreau
- M'ress
N
- Nara
- Lisa Neeley
- Tom Nellis
- Nog (since 2375)
- Anne Nored
- "Number One"
O
P
R
- Nancy Randolph
- Rhodes, Sandra
- Kevin Riley
- Thomas Riker
- William T. Riker
- Ro Laren
- B.G. Robinson
- Keith C. Rocha
- Esteban Rodriguez
- Mira Romaine
- David Rossi
- Rowe
S
- Saavik
- Sanders
- S. Seaborn
- Selar
- Areel Shaw
- Riley Aldrin Shepard
- Suzi Shimizu
- Shipley
- Alan Sims
- Singh
- Benjamin L. Sisko
- Al Smutko
- Spinelli
- Stadi
- Andrew Stiles
- Strek
- Hikaru Sulu
T
- Teller
- Robert Tomlinson
- Torres
- Karen Tracy
- Ian Andrew Troi
- Tuvok (until 2374)
- José Tyler
U
V
W
X
Y
Z
?
- Enterprise-A adjutant (USS Enterprise (NCC-1701-A) personnel)
- Enterprise-B officer(USS Enterprise (NCC-1701-B) personnel)
- Excelsior comm officer (USS Excelsior personnel)
- Grissom comm officer (USS Grissom personnel)
- Saratoga tactical (USS Saratoga (NCC-31911) personnel)
- Officers marked with an asterisk lack visual confirmation of their rank insignia or dossier, meaning there is the possibility they were lieutenants junior grade who were referred to as "lieutenant" in conversation.
Alternate, Parallel and Future Starfleets
alternate timeline, parallel universe, time travel
- Wesley Crusher
- Harry Kim (2378)
- Lasca
- Marlena Moreau (mirror)
- Norman
- Hoshi Sato (ENT: "Twilight")
- Hikaru Sulu (mirror)
Lieutenants junior grade
- Reginald Barclay
- Julian Bashir
- Richard Castillo
- Chandler
- Jack Crusher
- Wesley Crusher
- Ezri Dax
- Laura Derr
- Jenna D'Sora
- Duffy
- Foster
- Hector Ilario
- Daniel Kwan
- Geordi La Forge
- Linda Larson
- Sam Lavelle
- Elizabeth Lense
- Faith Levesconte
- Monroe
- Nara
- Nog
- Alyssa Ogawa
- Palmer (Lieutenant Junior Grade)
- Tom Paris
- Janice Rand
- Saavik
- Singh
- Orfil Solis
- Temple
- Joe Tormolen
- Aquiel Uhnari
- Van Mayter
- Worf
- The following lieutenants were referred to as "lieutenant" but wore "ensign" rank insignia at some point during TOS. This might indicate they were "junior grade" lieutenants: