• 1975 disestablishments by continent (6 C)
• 1975 disestablishments by country (64 C)

A

• Awards disestablished in 1975 (8 P)

B

• Buildings and structures demolished in 1975 (1 C, 28 P)

C

• Cabinets disestablished in 1975 (12 P)
• Constituencies disestablished in 1975 (3 P)

H

• Hotels disestablished in 1975 (1 P)

O

• Organizations disestablished in 1975 (10 C, 15 P)

P

• Performing groups disestablished in 1975 (1 C)
• Populated places disestablished in 1975 (7 P)
• Products and services discontinued in 1975 (2 C, 1 P)
• Publications disestablished in 1975 (2 C, 17 P)

R

• 1975 radio programme endings (3 P)
• Radio stations disestablished in 1975 (9 P)
• Railway lines closed in 1975 (3 P)
• Railway stations closed in 1975 (11 C)
• Recurring events disestablished in 1975 (1 C, 8 P)

S

• States and territories disestablished in 1975 (2 C, 32 P)

T

• Television channels and stations disestablished in 1975 (16 P)
• 1975 television series endings (20 C, 1 P)

U

• United States Atomic Energy Commission (2 C, 35 P)

A

• Apollo Guidance Computer
• Associação Democratica para a Integração de Timor-Leste na Austrália

M

• Military Region 5 Commandos

N

• National Redemption Council

P

• President of China
• Progressive Party (South Africa)

R

• Republic of Vietnam Traffic Control Police
• Royal Lao Army Airborne

S

• Sandbach, Tinne & Company
• Saor Éire (1967–1975)
• SPECOM