The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 10-Series Greatsword images (1 member)
- 100 series (7 members)
- 100i images (84 members)
- 125a images (20 members)
- 135c images (26 members)
- 21st Century (5 members)
- 22nd Century (1 member)
- 23rd Century (1 member)
- 24th Century (1 member)
- 250-E Laser Pointer images (1 member)
- 25th Century (2 members)
- 26th Century (9 members)
- 27th Century (3 members)
- 28th Century (3 members)
- 2942 War Bond (1 member)
- 2943 War Bond (1 member)
- 2944 War Bond (1 member)
- 2945 War Bond (1 member)
- 2950 Drake DefenseCon images (24 members)
- 2951 Drake DefenseCon images (3 members)
- 2952 Drake DefenseCon images (18 members)
- 29th Century (1 member)
- 300 series (4 members)
- 300i images (81 members)
- 30th Century (11 members)
- 315p images (36 members)
- 325a images (32 members)
- 350r images (35 members)
- 400 series (0 members)
- 400i Images (1 member)
- 400i images (83 members)
- 400i series (0 members)
- 404 images (1 member)
- 600 series (0 members)
- 600i Explorer images (63 members)
- 600i Flight Jacket images (1 member)
- 600i Touring images (53 members)
- 600i series (2 members)
- 78 Leonis System (5 members)
- 85X images (35 members)
- 890 Jump images (73 members)
- 987 (9 members)
- 999th Test Squadron (1 member)
- A03 Sniper Rifle images (4 members)
- A1 Spirit images (14 members)
- A2 Hercules images (31 members)
- ACOM (11 members)
- ADP-mk4 Helmet images (1 member)
- ADP-mk4 images (2 members)
- ADP-mk4 set (4 members)
- ADP images (1 member)
- ADP set (4 members)
- ARC-L1 Wide Forest Station images (1 member)
- ARC-L1 images (1 member)
- ARC-L2 images (1 member)
- ARC-L3 images (1 member)
- ARC-L4 images (1 member)
- ARC-L5 images (1 member)
- ARGO Astronautics (0 members)
- ATVS Repeater images (1 member)
- AVS-E set (2 members)
- A Human Perspective (0 members)
- A Separate Law (0 members)
- Abbreviations (51 members)
- Aberdeen (5 members)
- Aberdeen images (23 members)
- Ace Astrogation (4 members)
- Aciedo Station images (1 member)
- Active Duty Military Characters (54 members)
- Active Political Office Holders (34 members)
- Active Talk Pages (10 members)
- Active for Squadron 42 (11 members)
- Active production (1 member)
- Add-ons (10 members)
- Adir images (6 members)
- Administration and sales centers (1 member)
- Administrators (1 member)
- Advertisement (0 members)
- Advocacy Archive (0 members)
- Advocacy Faction Characters (1 member)
- Aegis Dynamics (52 members)
- Aelanna Tesla Images (32 members)
- Aeroview Hangars (1 member)
- Agricultural supplies (4 members)
- Ail'ka System (10 members)
- Alejo Brothers (7 members)
- Alien Languages (1 member)
- Alien Races (6 members)
- Alien language templates (5 members)
- Alloys (4 members)
- Always Forward (0 members)
- Amon and Reese Co. (19 members)
- Angeli (1 member)
- Angeli images (1 member)
- Animus Missile Launcher (1 member)
- Animus Missile Launcher images (3 members)
- Anti-aircraft turrets (1 member)
- Anti-personnel mines (1 member)
- Anti-personnel turrets (1 member)
- Anvil Aerospace (32 members)
- AopoA (0 members)
- Aopoa (5 members)
- Apache License (5 members)
- Apartment Habs (4 members)
- Apocalypse Arms (15 members)
- Apocalypse Arms images (1 member)
- Apollo Images (2 members)
- Apollo Medivac images (16 members)
- Apollo Triage images (16 members)
- Apollo series (2 members)
- Aponte Explorer images (1 member)
- Appliance manufacturers (1 member)
- Appointment Missions (4 members)
- April Fool's (5 members)
- Ar (0 members)
- Ar-2 (0 members)
- ArcCorp (21 members)
- ArcCorp (planet) (1 member)
- ArcCorp AO Missions (13 members)
- ArcCorp images (29 members)
- Archangel Station images (1 member)
- Architecture images (22 members)
- Archon Base images (21 members)
- Arclight images (20 members)
- Arden-CL Backpack images (3 members)
- Arden-SL Helmet images (1 member)
- Arden-SL images (5 members)
- Arden-SL set (5 members)
- Area18 (3 members)
- Area18 images (110 members)
- Area 18 (3 members)
- Areas (1 member)
- Aremis (1 member)
- Aremis Post (0 members)
- Aremis images (4 members)
- Ares Inferno Images (2 members)
- Ares Inferno images (84 members)
- Ares Ion images (35 members)
- Ares inferno images (1 member)
- Ares series (2 members)
- Argo Astronautics (7 members)
- Argo Series (0 members)
- Argus Helmet images (1 member)
- Arial (2 members)
- Arial images (19 members)
- Aril Helmet images (1 member)
- Aril images (10 members)
- Aril set (5 members)
- ArmaMod (21 members)
- Armitage (planet) (1 member)
- Armor Shops (1 member)
- Armor images (10 members)
- Armor set (40 members)
- Armor set images (3 members)
- Arms armor (29 members)
- Arms armor images (18 members)
- Around The Verse (15 members)
- Around the Verse (15 members)
- Arrastra images (0 members)
- Arrow I images (1 member)
- Arrow images (64 members)
- Arrow series (0 members)
- Arrowhead Sniper Rifle images (24 members)
- Art (1 member)
- Article management templates (6 members)
- Article stubs (1,303 members)
- Articles with hatnote templates targeting a nonexistent page (66 members)
- Artificial Intelligence Characters (1 member)
- Artificial Planet (2 members)
- Artimex Helmet images (1 member)
- Artimex images (7 members)
- Artimex set (4 members)
- Artwork images (1 member)
- Ascension Astro (9 members)
- Ashana (1 member)
- Aspire Grand images (2 members)
- Assault rifles (6 members)
- Associated Sciences and Development (3 members)
- Asteroid Belt (51 members)
- Asteroid Cluster (12 members)
- Asteroid Formations (75 members)
- Astronomical Objects (686 members)
- Astronomy (2 members)
- Asura (1 member)
- Atlas-Class Cargo Ferry images (3 members)
- Atlas series (2 members)
- Attachment (1 member)
- Attrition Repeater images (2 members)
- Atzkav Electron Sniper Rifle images (7 members)
- Atzkav Sniper Rifle (1 member)
- Atzkav Sniper Rifle images (13 members)
- Audio templates (1 member)
- Aurora CL images (19 members)
- Aurora ES images (22 members)
- Aurora LN images (24 members)
- Aurora LX images (25 members)
- Aurora MR images (58 members)
- Aurora series (16 members)
- AutoWikiBrowser (0 members)
- AutoWikiBrowser images (2 members)
- Avalos Scout images (1 member)
- AvantX images (1 member)
- Avenger Stalker Images/ru (0 members)
- Avenger Stalker images (52 members)
- Avenger Titan Renegade Images (26 members)
- Avenger Titan images (29 members)
- Avenger Trainer images (1 member)
- Avenger Warlock images (11 members)
- Avenger paints (36 members)
- Avenger series (51 members)
- Aves Armor Set images (1 member)
- Aves Armor set (1 member)
- Aves Helmet images (1 member)
- Aves images (6 members)
- Avionics (1 member)
- Aztalan Helmet images (1 member)
- Aztalan images (15 members)
- Aztalan set (4 members)
- B0otyCall (0 members)
- BR-2 Shotgun (1 member)
- BR-2 Shotgun images (4 members)
- BRVS Repeater images (1 member)
- Babel - Users by language (10 members)
- Bacchus Flotilla images (1 member)
- Bacchus System (9 members)
- Backer rewards (19 members)
- Backpacks (15 members)
- Baijini Point images (2 members)
- Baker III images (1 member)
- Baker II images (1 member)
- Baker IV (1 member)
- Baker IV images (1 member)
- Baker I images (1 member)
- Baker System (13 members)
- Ballista images (17 members)
- Ballistic Cannon (15 members)
- Ballistic Gatling (12 members)
- Ballistic Repeater (7 members)
- Ballistic Scattergun (3 members)
- Balor HCH Helmet images (1 member)
- Banners (1 member)
- Banshee II images (1 member)
- Banshee IV images (1 member)
- Banshee I images (1 member)
- Banshee System (11 members)
- Banu (9 members)
- Banu Characters (5 members)
- Banu Flotilla (4 members)
- Banu Souli (11 members)
- Banu Station images (1 member)