This is a list of religious organizations by faith. As it can be a matter of rebuttal as to whether an organization is in fact religious, organizations only appear on this list where the organization itself claims or has claimed to be a religious organization.

Buddhist organizations

International

Bangladesh

Europe

Hong Kong

India

Japan

Ladakh

Myanmar

North Korea

People's Republic of China

Singapore

South America

South Korea

Sri Lanka

Taiwan

Thailand

United States

Vietnam

Christian organizations

Christian organizations by denominational family affiliation

Adventist

Anabaptist

Anglican

Baptist

Catholic

Christian Scientists

Church of the East

Eastern Orthodox

Evangelical

Lutheran

Methodist

Oriental Orthodox

Pentecostal

Presbyterian

Protestant

Quaker

Reformed (Calvinist)

Stone-Campbell movement

Organizations of miscellaneous denominational families

Christian organizations by purpose

Bible societies

Humanitarian aid

Congregations by country

Dioceses

Christian media organizations

Mission organizations

Monasteries, abbeys, priories, and friaries

Christian orders and societies

Christian political organizations

Christian relief organizations

Christian schools and colleges

Christian sports organizations

Christian trade unions and labor organizations

Christian youth organizations

Miscellaneous Christian organizations

Confucian organizations

Dharmic organizations

Hindu organizations

Islamic organizations

International

Afghanistan

Australia

Azerbaijan

Bangladesh

Bosnia and Herzegovina

China

Hong Kong

Macau

Egypt

Great Britain

India

Indonesia

Iran

Kazakhstan

Malaysia

Nigeria

Pakistan

Russia

Saudi Arabia

Singapore

Taiwan

Trinidad and Tobago

Ukraine

Uzbekistan

Jewish organizations

Jewish organizations by movement affiliation

Orthodox

Haredi (ultra-Orthodox)

Hasidic

Misnagdim

Modern Orthodox

Conservadox

Conservative

Humanistic

Reconstructionist

Reform

Messianic

Non-denominational

Jewish organizations by purpose

Campus organizations

Educational institutions

Outreach

Rabbinical organizations

Synagogues

Youth organizations

Miscellaneous Jewish organizations

Meitei organizations

Pagan organizations

Caucasian

Baltic

Celtic

Chinese

Germanic

Italic

Slavic

Turkic

Wiccan

Satanist organizations

Shinto organizations

Jain organizations

Sikh organizations

Sikh sects

Taoist organisations

Unitarian, Universalist, and Unitarian Universalist

Organizations of new religious movements

New Age organizations

Rosicrucian organizations

Theosophical organizations

Interreligious organizations

Inter-Abrahamic organizations