Religion

Articles about religions, beliefs, worship and religious institutions.

Articles in this category: 1070 Updated: April 29, 2026 Page 10 / 23

Holy Name Cathedral (Chicago)

Holy See

Holy See

Holy Spirit

Holy water

Holy water: sacred water used in religious rites

Huguenots

Huguenots

Huguenots: French Calvinist Protestants, history and legacy

Huguenots were French followers of Calvinist Protestantism from the 16th century. This article outlines their beliefs, the wars and persecutions they endured, the diaspora and thei

Hutterites

Hutterites: communal Anabaptist communities and history

Hymn

Ibadi

Ibadi (Ibāḍī) Islam: history, beliefs, and communities

Ibrahim

Ichinomiya

Ichinomiya — chief Shinto shrines of Japan's historical provinces

Iconostasis

Iconostasis: the liturgical screen of Eastern Christian churches

Idol

Idolatry

Idolatry: worship of images, cultural history, and modern meanings

Iglesia ni Cristo

Iglesia ni Cristo (Church of Christ)

Imam

Imam Ali Mosque

Imam Reza shrine

Imam Reza Shrine (Mashhad): Mausoleum and Major Pilgrimage Complex

Iman (concept)

Immaculate Conception

Incarnation

Incarnation (Christianity)

Incense

Incense: aromatic materials, history, and common uses

Independent Catholic churches

Independent Catholic churches: overview, history, and distinctions

Index Librorum Prohibitorum

Indian religions

Indulgence

Indulgence (Catholic doctrine)

Infant baptism

Initiation

Initiation

Initiation: ceremonies of admission, rites of passage, and membership

Initiation denotes ceremonies or formal acts that admit, mark, or transition a person into a group, adult status, office, or social role. Practices vary widely by culture, religion

Injil

Inquisition

Inquisition

Inquisition: institutions, procedures, and historical development

Series of Catholic Church tribunals and related institutions (from the 13th century onward) that investigated and punished alleged heresy; varied by time, place and legal authority

Intelligent design

Intelligent design: concept, history, and public debate

International Society for Krishna Consciousness

International Society for Krishna Consciousness (ISKCON)

International Spiritual Movement Anjuman Serfaroshan-e-Islam

International Spiritual Movement Anjuman Serfaroshan-e-Islam (ASI)

Iqama

Iqama — the second call that precedes congregational Muslim prayer

Irreligion

Irreligion: nonreligious identity, beliefs, and social forms

Irreligious theism

Isaac

Isaac — Biblical patriarch and son of Abraham and Sarah

Ishmael

Ishmaelites

Ishmaelites

Ishmaelites: origin, traditions, and historical identity

Overview of the Ishmaelites—descendants of Ishmael in religious texts and historical tradition, their claimed links to Arabian tribes, and how they are viewed in Jewish, Christian

Islam

Islam

Islam in China

Islam in Europe

Islam in Europe: history, distribution, and contemporary issues

Islam in Georgia (country)

Islam in Pakistan

Islam in Russia

Islam in UAE

Islamic calendar

Islamic calendar

Islamic calendar (Hijri) — the lunar calendar for Muslim religious observances

The Islamic or Hijri calendar is a purely lunar calendar of 12 months used to determine Islamic ritual dates such as Ramadan and Hajj. It began with the Hijra (c. 622 CE) and shift

Islamic fundamentalism