A

• Automatron factions‎ (1 C, 1 P)

C

• Children of Atom‎ (1 C, 2 P, 5 F)
• Commonwealth Minutemen‎ (1 C, 2 P)

F

• Fallout 4 faction images‎ (1 F)
• Fallout 4 mentioned-only factions‎ (5 C, 15 P)

G

• Gunners‎ (1 C, 2 P)

I

• The Institute‎ (1 C, 17 P)

L

• Fallout 4 faction symbols‎ (27 F)

N

• Nuka-World factions‎ (1 C, 3 P)

R

• Recon squad Artemis‎ (5 P)
• Recon squad Gladius‎ (5 P)
• Fallout 4 religions‎ (3 P)
• Rust Devils‎ (2 P)

T

• The Forged‎ (1 C, 1 P)
• The Railroad‎ (2 C, 7 P)

• Fallout 4 factions

A

• Atom Cats

B

• Brotherhood of Steel
• Brotherhood of Steel (Eastern division)

C

• Cabot family
• Children of Atom
• Commonwealth Institute of Technology
• Commonwealth Minutemen
• Covenant (faction)

D

• Diamond City Security
• Directorate

G

• Ghost Fleet
• Gunners

I

• The Institute

L

• L&L gang

N

• Neighborhood Watch

P

• People's Liberation Army
• Pillars of the Community
• Publick Occurrences

R

• Raiders
• Raiders (Fallout 4)
• The Railroad
• Recon squad Artemis
• Rust Devils

T

• The Forged
• Triggermen

Z

• Zetan aliens