| Date | Country | Change |
| 1867 | Archdiocese of Istanbul (Armenian Rite) was suppressed (to Patriarchal See of Cilicia) | |
| 1867.01.15 | Diocese of Saint-Germain de Rimouski was established (from Metropolitan Archdiocese of Québec and became suffragan of Québec) | |
| 1867.03.12 | Abbacy nullius of New Norcia was established (from Diocese of Perth and became suffragan of Sydney) | |
| 1867.08.14 | Diocese of Barquisimeto was suppressed (to establish Diocese of Coro y Barquisimeto) | |
| 1867.08.14 | Diocese of Coro y Barquisimeto was restored (from the suppressed Diocese of Barquisimeto and became suffragan of Caracas) | |
| 1867.09.23 | Titular Episcopal See of Hippo Regius was suppressed (united to Diocese of Constantine) |
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