• [+] Defunct organizations by country (15 C)

A

• [+] Defunct airports (5 C, 15 P)

C

• [+] Defunct clubs and societies (1 C, 21 P)
• [+] Defunct companies (6 C, 37 P)

D

• [+] Defunct fraternities and sororities (22 P)
• [+] Defunct government agencies (4 C)
• [+] Defunct non-profit organizations based in the United States (1 P)

D cont.

• [+] Defunct political parties (34 C, 73 P)
• [+] Defunct prisons (47 C, 1 P)
• [+] Defunct public bodies of the United Kingdom (1 C, 61 P)
• [+] Disbanded units and formations (4 C, 1 P)

H

• [+] Historical gangs (4 C, 5 P)
• [+] Defunct hospitals (1 C, 16 P)

I

• [+] Former international organizations (3 C, 22 P)

L

• [+] Lists of defunct organizations (2 C, 8 P)

M

• [+] Defunct organizations by membership (3 C)

R

• [+] Defunct religious organizations (4 C, 2 P)

S

• [+] Defunct sport organisations (3 C, 5 P)

T

• [+] Defunct organizations designated as terrorist (2 C, 6 P)

U

• [+] Defunct universities and colleges (3 C, 20 P)

V

• [+] Defunct visitor attractions (16 C)

A

• Almack's
• Americans for Gun Safety Foundation
• Audio Arts cassettes
• Audio-Visual Preservation Trust of Canada

B

• Berlin Psychoanalytic Institute

C

• Centre for Public Inquiry
• Comrades of the Great War
• Confederation of Ethiopian Labor Unions
• Crockford's

D

• Devonshire Club
• Dōjunkai
• Downtown Athletic Club

F

• Free Standards Group
• Future American Magical Entertainers

G

• Gresham Club
• Guards' Club

I

• International Extension College

J

• Junior Birdmen

M

• Marxist Forum

N

• National Investigations Committee On Aerial Phenomena
• National Student Federation of America
• National Student Lobby
• National Welfare Rights Organization
• National Youth Alliance

O

• Open Source Development Labs

P

• Personal Rights Association
• Pfarrernotbund
• President's Organization for Unemployment Relief

S

• SAAR Foundation
• St James's Club

T

• Technical Service Council
• The United States Patent Association
• Tobacco Institute

U

• United University Club