The Catholic Church in Asia has dioceses in most countries. The largest episcopal conferences are those of India and China, followed by the Philippines, and Indonesia.

List of Catholic dioceses in Asia

Episcopal Conference of Bangladesh

Ecclesiastical Province of Dhaka

Archdiocese of Dhaka

Diocese of Chittagong

Diocese of Dinajpur

Diocese of Khulna

Diocese of Mymensingh

Diocese of Rajshahi

Diocese of Sylhet

Episcopal Conference of Brunei

Ecclesiastical Province of Brunei Darussalam

Brunei Darussalam

Episcopal Conference of Burma

Ecclesiastical Province of Mandalay

Archdiocese of Mandalay

Diocese of Banmaw

Diocese of Hakha

Diocese of Kalay

Diocese of Lashio

Diocese of Myitkyina

Ecclesiastical Province of Taunggyi

Archdiocese of Taunggyi

Diocese of Kengtung

Diocese of Loikaw

Diocese of Pekhon

Diocese of Taungngu

Ecclesiastical Province of Yangon

Archdiocese of Yangon

Diocese of Mawlamyine

Diocese of Pathein

Diocese of Pyay

Episcopal Conference of Cambodia

Ecclesiastical Province of Cambodia

Apostolic Vicariate of Phnom Penh

Apostolic Prefecture of Battambang

Apostolic Prefecture of Kompong Cham

Episcopal Conference of China

Ecclesiastical Province of Anqing

Archdiocese of Anqing 安慶 / Huaining 懷寧

Diocese of Bengbu 蚌埠

Diocese of Wuhu 蕪湖

Ecclesiastical Province of Beijing

Archdiocese of Beijing 北京 / Peking

Diocese of Anguo 安國

Diocese of Baoding 保定

Diocese of Chengde 承德

Diocese of Daming 大名

Diocese of Jingxian 景縣

Diocese of Shunde 順德

Diocese of Tianjin 天津

Diocese of Xianxian 獻縣

Diocese of Xuanhua 宣化

Diocese of Yongnian 永年

Diocese of Yongping 永平

Diocese of Zhaoxian 趙縣

Diocese of Zhengding 正定

Ecclesiastical Province of Changsha

Archdiocese of Changsha 長沙

Diocese of Changde 常德

Diocese of Hengzhou 衡州

Diocese of Yuanling 沅陵

Ecclesiastical Province of Chongqing

Archdiocese of Chongqing 重慶 / Chungking

Diocese of Chengdu 成都

Diocese of Jiading 嘉定

Diocese of Kangding 康定

Diocese of Ningyuan 寧遠

Diocese of Shunqing 順慶

Diocese of Suifu 敘府

Diocese of Wanxian 萬縣

Ecclesiastical Province of Fuzhou

Archdiocese of Fuzhou 福州 / Min-Hou / Minhou 閩侯 / Foochow

Diocese of Funing 福寧

Diocese of Tingzhou 汀州

Diocese of Xiamen 廈門

Ecclesiastical Province of Guangzhou

Archdiocese of Guangzhou 廣州 / Canton

Diocese of Beihai 北海

Diocese of Jiangmen 江門

Diocese of Jiaying 嘉應

Diocese of Shantou 汕頭

Diocese of Shaozhou 韶州

Ecclesiastical Province of Guiyang

Archdiocese of Guiyang 貴陽 / Kweyang

Diocese of Nanlong 南龍

Ecclesiastical Province of Hangzhou

Archdiocese of Hangzhou 杭州 / Hangchow

Diocese of Lishui 麗水

Diocese of Ningbo 寧波

Diocese of Taizhou 台州

Diocese of Yongjia 永嘉

Ecclesiastical Province of Hankou

Archdiocese of Hankou 漢口 / Hankow

Diocese of Hanyang 漢陽

Diocese of Laohekou 老河口

Diocese of Puqi 蒲圻

Diocese of Qizhou 蘄州

Diocese of Shinan 施南

Diocese of Wuchang 武昌

Diocese of Xiangyang 襄陽

Diocese of Yichang 宜昌

Ecclesiastical Province of Jinan

Archdiocese of Jinan 濟南 / Tsinan

Diocese of Caozhou 曹州

Diocese of Qingdao 青島

Diocese of Yanggu 陽穀

Diocese of Yantai 煙台

Diocese of Yanzhou 兖州

Diocese of Yizhou 沂州

Diocese of Zhoucun 周村

Ecclesiastical Province of Kaifeng

Archdiocese of Kaifeng 開封 / Kaifeng

Diocese of Guide 歸德

Diocese of Luoyang 洛陽

Diocese of Nanyang 南陽

Diocese of Weihui 衛輝

Diocese of Xinyang 信陽

Diocese of Zhengzhou 鄭州

Diocese of Zhumadian 駐馬店

Ecclesiastical Province of Kunming

Archdiocese of Kunming 昆明 / Kunming

Diocese of Dali 大理

Ecclesiastical Province of Lanzhou

Archdiocese of Lanzhou 蘭州 / Kao-Lan / Gaolan 皋蘭 / Lanchow

Diocese of Pingliang 平涼

Diocese of Qinzhou 秦州

Ecclesiastical Province of Nanchang

Archdiocese of Nanchang 南昌

Diocese of Ganzhou 贛州

Diocese of Ji’an 吉安

Diocese of Nancheng 南城

Diocese of Yujiang 餘江

Ecclesiastical Province of Nanjing

Archdiocese of Nanjing 南京 / Nanking

List of Catholic dioceses of Asia