Starfleet ensigns
In the history of Starfleet, there have been many notable officers holding the rank of ensign.

A
 Alans (2365)
 Allenby (2367)
 Almack (2151)
 Anaya (2367)
 Angie (2370s)
 Ansara (2154)
 Aquino (2369)
 Armstrong (2367)
 Ashmore (2371)
 Asif (2380)
 Ayala (2374)

B
 Bailey (2366)
  (2374)
 Bandee (2374)
 Barnes (2380)
  (2327)
  (2372)
  (2372)
  (2364)
  (2375)
  (2161)
  (2374)
 Blain (2374)
  (2380)
 Boyer (2369)
  (2259)
  (2362)
  (2373)
  (2375)
  (2371)
  (2367)
 Brower (2367)
  (2365)
 Burrows (2154)
  (2371)

C
 Cabot (2369)
  (2370)
  (2372)
  (2268)
 Castro (2380)
  (2375)
 
  (2267-2269)
  (alternate reality)
  (mirror universe)
 Cheney (2369)
 Chiefowitz
  (anti-time future)
 Chu'lak
 Clancy
 Cole (2152)
 
 
  (2152)
 Corelki
  (2368)
 
  (acting ensign (2364-2366); provisional (2366-2367))
 Culhane (2374-2376)

D
  (2366)
 
 
 Data
 Davies (2365)
 
 DeCurtis (2370)
 
  (2370)
  (2369)
 DeSeve (2349)
 
  (2366)

E

F
 Farley (2376)
 Felton (2368)
 
  (2374-2375)
  (provisional)
 
  (2368)
  (2380)
 
 
 Froman (alternate reality)

G
  (2268)
 Gates (2369-2370)
  (Species 8472; 2375)
  (2365)
  (2376)
 Gilles (2375)
  (2375)
 Giusti
 
 Golwat (2373)
  (2365)
  (2374)

H
  (2268)
  (2268)
  (2375)
  (2367)
 Hart (2151)
 Haskell (2365)
  (2370)
 Hedrick
 Hendorff
 Herbert (2365)
 Hickam (2375)
 Hickman (2373-2374)
 
 Hildebrant
 Hogan (provisional; 2372)
 Hoy (2366)
 Hoya
  (2369)
 Hutchinson (2152)

J
 Jae
  
  (Seven of Nine; 2370)
  (2369)
  (2375)
 
 Jimenez (2372)
  (2369)
 Jordan (2268)
 
 Jurot (2375)

K
 Kagan
 Kane
  (2374)
  (2373)
 Karavitus (2380)
 Keeley (2155)
 Keenser (alternate reality)
  (mirror universe)
 Keller (2368)
 Kellogg (2367)
  (2370)
  (2371-2378)
 
 Kimball (2151)
  (2374)
  (2250s)
 Kopf
 
 Kymble (hologram; 2377)
  (2371)

L
 
  (2373)
  (2370)
 
 
  (2268)
  (mirror universe)
 
 Lin
 Locklin (2367)
 
 Longo
  (2369)
 Lynch (2373)

M
 MacAlister (2375)
 Macormak (2372)
 Magnus (2256)
  (2374)
  (2368)
 Mannus (2375)
 Manwaring (2370)
 Marcel (2154)
  (2380)
 Markson (2370)
  (2373)
 Masaro (2154-2155)
 Massaro (2153)
 
  (2151-2154)
  (2374)
 McCauley (2375)
 McDowell (2368-2369)
 McFarlane (2153)
 McKnight (2367)
  (2362)
 Mendon (2365)
  (, 2256)
  (; 2373)
 Mulchaey (2375-2376)
  (2371-2373)
  (2371-2375)

N
 Nagel (2365)
 Neelix (alternate timeline)
 
 Niko (2370s)
 Nog (2374-2375)

O
  (alternate timeline, 2268)
 O'Neill (2267)
 O'Halloran (Species 8472; 2375)
 
  (2154)
 
 
 
 Ortiz (2366)

P
 P'jok (2380)
 
 Palmers (2371)
  (alternate timeline; 2404)
  (2375-2376)
  (2371-2373)
 Parton (provisional; 2374)
 Pauley (2369)
 Pavlik (2367)
  (2370)
 Peanut Hamper (2380)
 Peeples (2367)
 Perez (2270s)
 Perim (2375)
  (2327)
  (2154)
  (2151)

Q
 Quintana (2370)

R
 
  (2367-2369)
 Rainer
 
 Rause
  (2149)
 Reel (2367)
  (2375)
 Reilly (2370)
  (2358)
 Rivers (2154)
 Rizzo (2268)
 Ro Laren (2368-2370)
 Rollins
 Russell
  (2380)
 Ryson (2375)

S
 
  (2372)
  (2151-2154)
 Seska (provisional; 2371)
 
 Shipley
  (2380-2381)
 
  (2350s)
 Sito Jaxa (2370)
 Socorro (2151)
 Stepan
  (2362)
 
  (2374)
  (provisional; 2372)
  (2293)
 Sutter (2368)
 Swinn (2373)
 Syl (alternate reality)

T
 Tabor (provisional; 2375-2376)
  (2367)
 Taitt
  (2373)
 Tanner (2152)
 Taurik (2370)
  (2380)
 Thomas (alternate timeline; 2366)
 Thorne
 
 Torigan (2369)
 Towles
 Trumari
  (2364)
 Tuvok
  (; 2370)
  (Deep Space 9; 2372)

V
 
 Vendome (2380)
 Vilix'pran (2371-2372)
 
 Vorik (2373)

W
  (2374)
 Walking Bear (2270)
 
 Walsh (2154)
 Weldon (2375)
  (2371)
  (female ensign)
  (male ensign; 2366)
 
 Wyatt (2268)

Y
 
 Youngblood

Z
  (2327)

Unnamed 
 Ajilon Prime ensign (2372)
 Cardassian border conflict ensign (2350s)
 Enterprise (NX-01) science division officer (2153)
 Enterprise bridge operations officer (2270s)
 Enterprise cargo deck ensign (2270s)
 Enterprise personnel officer (2267)
 Enterprise security officer (2269)
 Enterprise transporter officer (2269)
 Honshu ensign (2374)
 Saratoga flight controller (2366)
 Saratoga operations division officer (2366)
 Starbase 173 JAG ensign (2365)
 VIP accosted ensign

Ensigns