E
- Early Christianity
- East–West Schism
- Easter
- Easter Triduum
- Eastern Catholic Churches
- Eastern Christianity
- Eastern Orthodox Church
- Eastern Orthodox Church organization
- Eastern Orthodox liturgical calendar
- Eastern Orthodoxy in Greece
- Ecclesiastes
- Ecumenical council
- Ecumenical Patriarch Bartholomew I of Constantinople
- Ecumenical Patriarch Callinicus III of Constantinople
- Ecumenical Patriarch Clement of Constantinople
- Ecumenical Patriarch Demetrios I of Constantinople
- Ecumenical Patriarch Dionysius IV of Constantinople
- Ecumenical Patriarch Methodius III of Constantinople
- Ecumenical Patriarch of Constantinople
- Ecumenical Patriarch Serapheim II of Constantinople
- Ecumenism
- Église réformée du Québec
- Elder (Christianity)
- Eleutherius of Byzantium
- Elim Pentecostal Church
- Elizabeth (biblical figure)
- Elizabethan Religious Settlement
- Elymas
- Emerging church
- Empire of Nicaea
- Empty tomb
- English Civil War
- English Reformation
- Epaphras
- Epaphroditus
- Episcopal Church (United States)
- Epistle
- Epistle of James
- Epistle of Jude
- Epistle to Philemon
- Epistle to the Colossians
- Epistle to the Ephesians
- Epistle to the Galatians
- Epistle to the Hebrews
- Epistle to the Philippians
- Epistle to the Romans
- Epistle to Titus
- Erastus of Corinth
- Ethiopian eunuch
- Ethiopian Orthodox Tewahedo Church
- Eucharistic theology
- Eudoxius of Antioch
- Eulogius of Alexandria
- Euodia and Syntyche
- European Baptist Federation
- European wars of religion
- Eusebius of Nicomedia
- Eustratius Garidas
- Eutychus
- Euzois of Byzantium
- Evagrius of Constantinople
- Evangelical Alliance
- Evangelical Christian Church in Canada
- Evangelical Covenant Church
- Evangelical Free Church of America
- Evangelical Free Church of Canada
- Evangelical Friends Church International
- Evangelical Lutheran Church in America
- Evangelical Lutheran Church in Canada
- Evangelical Lutheran Church of England
- Evangelical Movement of Wales
- Evangelical Presbyterian Church (United States)
- Evangelical Presbyterian Church in England and Wales
- Evangelicalism
- Evangelism
- Exarch