2023 in religion

This is a timeline of events during the year 2023 which relate to religion.

Events

 * 5 January – The funeral of pope emeritus Benedict XVI takes place following his death on 31 December 2022.
 * 24 January – The Indonesian pan-Islamist group Khilafatul Muslimin is outlawed and its leadership is sentenced to prison.
 * 30 January – A suicide bombing is carried out in a mosque in Peshawar, Pakistan, killing 84 people.
 * 8 February – A Christian revival begins at Asbury University in Wilmore, Kentucky.
 * 1 May – The Netherlands Reformed Churches and the Reformed Churches in the Netherlands (Liberated) merge as the Dutch Reformed Churches.
 * 9 May – A Tunisian national guardsman attacks the El Ghriba Synagogue, killing five people.
 * 31 July – Riots between Hindus and Muslims break out in Haryana, India.
 * 1–6 August – The Catholic World Youth Day 2023 festival is held in Lisbon.
 * 31 August – Pope Francis makes a visit to Mongolia, becoming the first pope to do so.
 * 4 October – Laudate Deum, a apostolic exhortation, is released by Pope Francis to call for action on climate change.
 * 7 October – Palestinian militants affiliated with Hamas launch an attack on Israel. They kill approximately 1,200 people and take approximately 250 people hostage, initiating the Israel–Hamas war.
 * 8 October
 * The Mor Ephrem Syriac Orthodox Church opens in Turkey, becoming the first new church constructed since the republic's founding.
 * The Swaminarayan Akshardham temple opens in Robbinsville, New Jersey, making it the largest Hindu temple outside of India.
 * 14 October – A six-year-old Palestinian–American boy is stabbed to death in his home in Plainfield Township, Illinois, in response to the 7 October attack on Israel.
 * 27 October – Israel launches a ground invasion of Palestine in response to the 7 October attack, killing thousands of Palestinians.
 * 28–29 October – Riots targeting Jews break out in the North Caucasus region of Russia.
 * 18 December – The Fiducia supplicans is declared, allowing for the blessing of same-sex couples in the Catholic Church.