Trinity Theological College
- Holy Trinity College, Catholic University of Zimbabwe
- Theological College of the Holy Trinity
- Trinity Bible College and Graduate School
- Trinity College Theological School
- Trinity College of Florida
- Trinity College of the Bible and Theological Seminary
- Trinity College, Bristol
- Trinity College, Glasgow
- Trinity Seminary (disambiguation)
- Trinity Theological College, Perth
- Trinity Theological College, Singapore
- Trinity Theological Seminary (disambiguation)
- Uniting Church in Australia