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(covers information from several alternate timelines)

In the history of Starfleet, there have been many officers holding the rank of lieutenant commander.

Lieutenant commanders

Name Post Position Division Dates Species Note
Adislo, Hars     Sciences 2375 Bolian  
Airiam USS Discovery Bridge officer Sciences 2256-57 Augmented Human KIA in 2257
Albert     Operations 2368 Human  
Alfaro, Edith K. USS Exeter (NCC-26531)     2374   MIA in 2374
Argyle USS Enterprise (NCC-1701-D) chief engineer Operations 2364 Human  
Baskin, Daryl USS Matte Fringe     2364    
Bernard, Alan USS Voyager     2372    
Bowen, Steve USS Matte Fringe     2364    
Braga, Brannon USS Enterprise (NCC-1701-D)     2369    
Brownfield, Dick USS Voyager     2372    
Cavit USS Voyager executive officer Command 2371 Human KIA in 2371
Clark, Bev USS Robert Louis Stevenson     2364    
Crusher, Jack USS Stargazer   Command 2354 Human KIA in 2354
Culber, Hugh USS Discovery Chief medical officer Sciences 2256 Human
Curry, Dan USS Enterprise (NCC-1701-D)     2369    
Daren, Nella Starbase 218
USS Enterprise (NCC-1701-D)
head of the stellar sciences department Sciences 2369 Human  
Data USS Enterprise (NCC-1701-D)
USS Enterprise (NCC-1701-E)
operations officer
executive officer
Operations
Command division
2360-2379 Soong-type android KIA in 2379
Dax, Jadzia Deep Space 9 chief science officer Sciences 2372-2374 Trill (joined) KIA in 2374
Dealt, Hester Federation Medical Collection Station Medical trustee Sciences 2365 Human  
Dean, Doug USS Voyager     2372    
de Graff, Monty USS Matte Fringe     2364    
Duder, Dorothy R. USS Repulse
USS Wyoming
USS Cochrane
Starbase 153
Starbase 129
    2374   KIA in 2374
Durbrow, Doug USS Robert Louis Stevenson     2364    
Echevarria, Rene USS Enterprise (NCC-1701-D)     2369    
Eddington, Michael Deep Space 9 security chief Operations 2371-2372 Human Defected to the Maquis in 2372
Finney, Benjamin USS Enterprise (NCC-1701) records officer Command 2267 Human  
Fukai, Arlene USS Enterprise (NCC-1701-D)     2369    
Giotto USS Enterprise (NCC-1701) security chief Operations 2267 Human  
Gort Starfleet Academy     2285    
Grodnick, T. Starfleet Academy Astrogation Instructor   2285    
Hobson, Christopher USS Sutherland executive officer Command 2368 Human  
Hoffmeister, Ed USS Matte Fringe     2364    
Holst, Sandy A. USS Repulse     2374   MIA in 2374
Howard, Merri USS Voyager     2374 Human  
Hudson, Calvin Demilitarized Zone attaché to the Demilitarized Zone Command 2370 Human Defected to the Maquis in 2370
James, Richard USS Enterprise (NCC-1701-D)     2369    
Kirk, George USS Kelvin First officer Command division 2233 Human
Koslowsky, John USS Matte Fringe     2364    
La Forge, Geordi USS Enterprise (NCC-1701-D)
USS Enterprise (NCC-1701-E)
chief engineer Operations 2366-2379 Human  
Lang USS Enterprise (NCC-1701) tactical officer Command[1] 2267 Human KIA in 2267
Lee, Don USS Matte Fringe     2364    
Leijten, Susanna       2367 Human  
Leprich, Kathy S. USS Sarajevo
USS Tecumseh
USS Akagi
USS Zapata
    2374   KIA in 2374
Livingston, David USS Voyager     2374    
Lojur USS Excelsior Helmsman Operations 2293 Human  
Longo, J. Starfleet Academy Engineering Instructor   2285    
Lynch, Leland T. USS Enterprise (NCC-1701-D) engineer Operations 2364 Human  
MacDougal, Sarah USS Enterprise (NCC-1701-D) chief engineer Operations 2364 Human  
Markel, Tom USS Ariel commanding officer Command 2269 Human  
McCoy, Leonard Capella IV
USS Enterprise (NCC-1701)
chief medical officer Sciences 2266-2269 Human Promoted to commander in 2269
McGarry, L. USS Voyager     2370s   KIA prior to 2377
Mees, Jim USS Voyager Planetary Geosciences Division   2374    
Mitchell, Gary USS Enterprise (NCC-1701) navigator Operations[1] 2265 Human KIA in 2265
Monson, Jon S. USS Akagi
USS Zapata
    2374   KIA in 2374
Moore, Ronald USS Matte Fringe     2364    
Mulhall, Ann USS Enterprise (NCC-1701) astrobiologist Operations[1] 2268 Human  
Nambue USS Shenzhou Chief medical officer Sciences 2256 Human
Neuss, Wendy USS Enterprise (NCC-1701-D)     2369    
Piersall USS Prometheus   Command 2370 Human  
Piller, Michael USS Voyager     2374    
Remmick, Dexter Office of the Inspector General
Starfleet Command
  Command 2364 Human  
Riker, William USS Potemkin
USS Hood
executive officer Command 2361-2364 Human Promoted to commander in 2364
Rossa, Connor Galen IV   Command 2353 Human KIA in 2353
Saru USS Shenzhou Chief science officer Sciences 2256 Kelpien Promoted to commander in 2256
Sato, Hoshi       2160s Human Resigned in the mid-2160s
Scott, Montgomery USS Enterprise (NCC-1701) chief engineer Operations 2266-2269 Human Promoted to commander in 2269
Shelby Starfleet Command   Command 2366-2367 Human Promoted to commander in 2367
Sisko, Benjamin USS Okinawa
USS Saratoga
Utopia Planitia Fleet Yards
Executive officer
Yard engineer
Command 2366-2369 Human Promoted to commander in 2369
Sofak Starfleet Academy     2285    
Spock USS Enterprise (NCC-1701) chief science officer Sciences 2266-2267 Vulcan-Human hybrid Promoted to commander in 2267
Stamets, Paul USS Discovery Chief engineer Sciences 2257 Human
Sulu, Hikaru USS Enterprise (NCC-1701) helmsman Operations 2270s Human Promoted to commander by 2285
Surma, Ron USS Enterprise (NCC-1701-D)     2369    
Syvar     Sciences 2371 Vulcan  
Takemura, David USS Matte Fringe     2364    
Troi, Deanna USS Enterprise (NCC-1701-D) counselor Sciences 2364-2370 Human-Betazoid hybrid Promoted to commander in 2370
Tucker, Steve USS Enterprise (NCC-1701-D)     2369    
Tuvok USS Voyager security chief Operations 2374-2378 Vulcan  
Uhura, Nyota USS Enterprise (NCC-1701) communications officer Operations 2270s Human Promoted to commander by 2285
Valtane, Dimitri USS Excelsior chief science officer Sciences 2293 Human  
Vanderweg, Greta Deep Space 9 science officer Sciences[2] 2375 Human KIA in 2375
Woodard, Jody USS Equicon     2364    
Woods, Beth USS Yamato Second officer   2365   KIA in 2365
Worf USS Enterprise (NCC-1701-D)
Deep Space 9
IKS Rotarran
security chief
strategic operations officer
first officer
Operations
Command
2371-2379 Klingon  
Yacobian, Brad USS Enterprise (NCC-1701-D)     2369    
Ziegler, T. USS Voyager     2370s   KIA prior to 2377

Illusory lieutenant commanders

Name Post Position Division Dates Species Note
Worf USS Enterprise (NCC-1701-D) operations officer Operations 2383 Holographic representation of a Klingon  

Alternate or parallel lieutenant commanders

Name Post Position Division Dates Species Note
Icheb USS Voyager   Command 2394 Brunali  
Kirk, George USS Kelvin First officer Command division 2233 Human KIA in 2233
McCoy, Leonard USS Enterprise(NCC-1701) Chief medical officer Sciences 2258 Human  
McCoy, Leonard ISS Enterprise (NCC-1701) chief medical officer Sciences 2267 Terran  
Paris, Tom USS Voyager   Command 2378-2379 Human  
Scott, Montgomery USS Enterprise(NCC-1701) Chief engineer Operations 2258 Human  
Scott, Montgomery ISS Enterprise (NCC-1701) chief engineer Operations 2267 Terran  
T'Pol ISS Enterprise (NX-01)
USS Defiant
ISS Avenger
chief science officer Sciences 2155 Vulcan  

Other lieutenant commanders

Name Post Position Division Dates Species Note
Jason Hayek USS Intrepid   Command 2374 Alias of a Human Possible Costuming Error: Wore provisional lt. cmdr. pip
James, Richard USS Voyager     2374 Human Known to hold the rank of admiral
Lauritson, Peter USS Voyager     2374 Human Known to hold the rank of vice admiral
Nog USS Valiant chief engineer Operations 2374 Ferengi Field promotion
Piller, Michael USS Voyager     2374 Human Known to hold the rank of admiral
Rand, Janice USS Excelsior communications officer Operations 2293 Human Costuming Error: lieutenant junior grade
Sonak USS Enterprise (NCC-1701) chief science officer Sciences 2270s Vulcan Seen as "Commander" referred to in Credits as Lt. Cmdr.
Tuvok USS Voyager security chief Operations 2371 Vulcan Costuming Error: lieutenant
Valeris USS Enterprise (NCC-1701-A) helmsman Sciences[1] 2293 Vulcan Possible Costuming Error: lieutenant

Gallery of unnamed lieutenant commanders

In addition, there was at least one more female lieutenant commander aboard the USS Enterprise.

Background information

  1. 1.0 1.1 1.2 1.3 This officer wore a different division color than indicated by their apparent position.
  2. Cite error: Invalid <ref> tag; no text was provided for refs named Assumed

Numerous officers were often referred to as commanders, or wore commander's rank insignia, but were actually other ranks. In TNG: "The Best of Both Worlds", Jean-Luc Picard remembers meeting Lieutenant Commander Riker, but Riker was wearing commander's insignia in the corresponding scene in TNG: "Encounter at Farpoint". This happened in TOS also, as Spock was referred to as an lieutenant commander in TOS: "Court Martial" even though he regularly wore commander's stripes up to and including that point. The same went for Benjamin Finney in that episode and Giotto in TOS: "The Devil in the Dark", both of whom wore commander's insignia but were clearly referred to as lieutenant commander in dialogue. The reverse happened to Chakotay, who wore lieutenant commander's insignia but was only referred to as commander for VOY's entire run.

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