Category:Former Roman Catholic dioceses

• Former Roman Catholic dioceses by continent (5 C)

*

• Former Latin patriarchates (5 C, 7 P)

^

• Roman Catholic bishops by former diocese (1 C)

C

• Catholic titular sees (7 C, 1 P)
• Roman Catholic dioceses in the Crusader states (2 C, 26 P)

F

• Former Eastern Catholic dioceses (3 C, 63 P)

R

• Renamed Roman Catholic dioceses (206 P)

S

• Suppressed Roman Catholic dioceses (167 P)

C

• Roman Catholic Diocese of Cumania

F

• Roman Catholic Diocese of Famagusta

G

• Roman Catholic Diocese of Gravelbourg

L

• Roman Catholic Diocese of Labrador City–Schefferville

N

• Bishopric of Naumburg-Zeitz

O

• Obba (town)

P

• Roman Catholic Diocese of Paphos
• Poroselene

R

• Roman Catholic Diocese of Minsk (1798–1869)
• Roman Catholic Diocese of Nemosia
• Roman Catholic Diocese of Wigry

S

• Diocese of Samland
• Roman Catholic Diocese of Senj-Modruš

T

• Bishopric of Turku
• List of bishops of Turku

V

• Vanariona