Category:Catholic dioceses by century of establishment

0–9

• Roman Catholic dioceses established in the 11th century‎ (17 P)
• Roman Catholic dioceses established in the 12th century‎ (3 C, 32 P)
• Roman Catholic dioceses established in the 13th century‎ (12 P)
• Roman Catholic dioceses established in the 14th century‎ (1 C, 10 P)
• Roman Catholic dioceses established in the 15th century‎ (15 P)
• Roman Catholic dioceses established in the 16th century‎ (59 P)
• Roman Catholic dioceses and prelatures established in the 17th century‎ (2 C, 34 P)
• Roman Catholic dioceses and prelatures established in the 18th century‎ (17 P)
• Roman Catholic dioceses and prelatures established in the 19th century‎ (20 C, 384 P)
• Roman Catholic dioceses and prelatures established in the 20th century‎ (14 C, 1,542 P)
• Roman Catholic dioceses and prelatures established in the 21st century‎ (143 P)