Ecclesia or Ekklesia () may refer to:

Organizations Ecclesia (ancient Greece) or ekklēsia, the principal assembly of ancient Greece during its Golden Age Ekklesia, generally thought to have been the name of the ancient Spartan Assembly. The Greek and Latin term for the Christian Church as a whole Ekklesia (think tank), a British think tank examining the role of religion in public life Ecclesia College, a four-year Christian work college in Springdale, Arkansas Ekklesia Project, an ecumenical Christian network to promote a more active and God-centered faith Ecclesia Athletic Association, a youth athletic program in the United States Qahal or Ekklesia, a theocratic organisational structure in ancient Israelite society

Religion Ecclesia Dei, a statement or motu proprio issued by Pope John Paul II in 1988 Ecclesiae Regimen, a reformation declaration against the Church in England of the Late Middle Ages Ecclesia and Synagoga, a pair of figures personifying the Roman Catholic Church and the Jewish synagogue found in medieval Christian art Church militant and church triumphant (ecclesia militans, ecclesia triumphans), Christians who are living on earth and those who are in heaven Mater Ecclesiae, a monastery inside Vatican City Mother Church (Latin Mater Ecclesiae), a reference to the Roman Catholic Church, or to other Christian churches or movements Nea Ekklesia, a church built by Byzantine Emperor Basil I the Macedonian in Constantinople between the years 876–80 Christian Church, the whole Christian religious tradition throughout history Congregation is a large gathering of people, often for the purpose of worship. In the sociological classifications of religious movements, a religion less pervasive in a society than a church but more so than a sect

Religious movements Ecclesia Gnostica, a neo-Gnostic church based in the United States Ecclesia Gnostica Catholica, a Gnostic church organization Ecclesia Pistis Sophia, a Gnostic church organization based in the United States Ecclesia Gnostica Apostolica Catholica (Gnostic Church of France) Holy Ecclesia of Jesus, an independent Japanese Christian denomination founded by Ōtsuki Takeji (大槻武二) in 1946 Japan Ecclesia of Christ, an independent Japanese Christian church founded by Koike Tasuo (小池辰雄) in 1940

Other uses Ekklesia, a 2008 album by For Today Castlevania: Order of Ecclesia, a 2008 Nintendo DS video game Mount Ecclesia, nature grounds in Oceanside, California with the international headquarters of The Rosicrucian Fellowship Ecclesia orans, an academic journal on Christian liturgy The bi-annual international convention and governing body of the Fraternity of Phi Gamma Delta The seventh song on Kamelot's album "Haven" is titled "Ecclesia"

See also Ecclesia Catholica (disambiguation) Ecclesiastes (disambiguation) Ad Universalis Ecclesiae, an 1862 papal constitution by Pope Pius IX dealing with the conditions for admission to Catholic religious orders Advocatus Ecclesiae, lay persons of noble birth who defended a particular church or monastery during the Middle Ages De triumphis ecclesiae, a Latin epic written c. 1250 by Johannes de Garlandia Ecclesiam a Jesu Christo, a Papal constitution promulgated by Pius VII in 1821 Ecclesiam suam, a 1964 encyclical of Pope Paul VI on the Catholic Church Ex Corde Ecclesiae, a 1990 apostolic constitution written by Pope John Paul II regarding Catholic colleges and universities Extra Ecclesiam nulla salus, a Latin phrase meaning "Outside the Church there is no salvation" Fasti Ecclesiae Scoticanae, a list of ministers from the Established Church of Scotland Fabrica ecclesiae, a Roman Catholic Latin term for the funds necessary for the construction of a church Lamentatio sanctae matris ecclesiae Constantinopolitanae, a motet by the Renaissance composer Guillaume Dufay Libertas ecclesiae, emancipation from ecclesiastical authority, which guided the movement of Reform begun in the 11th century Ordinarium Sanctae Romanae Ecclesiae, a document that established a voting procedure for the papal conclave Regimini militantis Ecclesiae, a papal bull promulgated by Pope Paul III in 1540 establishing the Jesuits Universalis Ecclesiae, an 1850 bull of Pope Pius IX that recreated the Roman Catholic hierarchy in England

es:Iglesia (desambiguación)