| Date | Country | Change |
| 1936 | Titular Episcopal See of Rhithymna was suppressed | |
| 1936 | Apostolic Exarchate of Turkey of Europe (Greek Rite) was renamed as Apostolic Exarchate of Istanbul | |
| 1936 | Titular Episcopal See of Pityus was suppressed | |
| 1936.01.27 | Apostolic Prefecture of Huangzhou 黃州 was promoted as Apostolic Vicariate of Qichun 蘄春 | |
| 1936.01.27 | Apostolic Vicariate of Nouvelle-Anvers was renamed as Apostolic Vicariate of Lisala | |
| 1936.01.27 | Apostolic Vicariate of Senegambia was renamed as Apostolic Vicariate of Dakar | |
| 1936.01.27 | Apostolic Prefecture of Sénégal was renamed as Apostolic Prefecture of Saint-Louis du Sénégal | |
| 1936.01.27 | Apostolic Prefecture of Gariep was promoted as Apostolic Vicariate of Aliwal | |
| 1936.02.22 | Metropolitan Archdiocese of Moncton was established (from Diocese of Chatham and Diocese of Saint John, New Brunswick and with suffragan sees Chatham and Saint John, New Brunswick) | |
| 1936.02.22 | Diocese of Nelson was established (from Metropolitan Archdiocese of Vancouver and became suffragan of Vancouver) | |
| 1936.03.09 | Diocese of Hakodate 函館 was renamed as Diocese of Sendai 仙台 | |
| 1936.03.09 | Apostolic Vicariate of Thái Bính was established (from Apostolic Vicariate of Bùi Chu) | |
| 1936.05.18 | Apostolic Prefecture of Tshumbe was established (from Apostolic Vicariate of Kasaï Supérieur) | |
| 1936.05.25 | Mission sui juris of Hainan 海南 was promoted as Apostolic Prefecture of Hainan 海南 | |
| 1936.05.25 | Apostolic Prefecture of Xiangyang 襄陽 was established (from Apostolic Vicariate of Laohekou 老河口) | |
| 1936.05.25 | Apostolic Prefecture of Xinjiang 新絳 was established (from Apostolic Vicariate of Luanfu 潞安府) | |
| 1936.05.25 | Apostolic Vicariate of Dutch Timor was established (from Apostolic Vicariate of Lesser Sunda Islands) | |
| 1936.05.25 | Apostolic Prefecture of Victoria Falls was established (from Apostolic Prefecture of Broken Hill) | |
| 1936.06.03 | Apostolic Prefecture of San Gabriel de la Dolorosa del Marañón was promoted as Apostolic Vicariate of San Gabriel de la Dolorosa del Marañón | |
| 1936.07.02 | Apostolic Prefecture of Mindoro was established (from Diocese of Jaro and Diocese of Lipa and depended on Sacred Congregation of the Propagation of the Faith) | |
| 1936.07.07 | Apostolic Prefecture of Shashi 沙市 was established (from Apostolic Vicariate of Yichang 宜昌) | |
| 1936.07.07 | Apostolic Prefecture of Xinxiang 新鄉 was established (from Apostolic Vicariate of Weihuifu 衛輝府) | |
| 1936.07.11 | Diocese of Los Angeles–San Diego was promoted as Metropolitan Archdiocese of Los Angeles (with suffragan sees Monterey–Fresno and San Diego and lost territory to establish Diocese of San Diego) | |
| 1936.07.11 | Diocese of San Diego was established (from Diocese of Los Angeles–San Diego and became suffragan of Los Angeles) | |
| 1936.08.01 | Diocese of Gazireh (Chaldean Rite) was demoted as Apostolic Administration of Upper Gazireh | |
| 1936.12.17 | Apostolic Prefecture of Multan was established (from Diocese of Lahore) |
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