There are several well-known bodies of this name (some independent institutions, others constituent colleges of a larger University); among the most well-known are—

• Trinity College, Cambridge
• Trinity College, Oxford
• Trinity College, Dublin
• Trinity College (Carmarthen)
• Trinity College (Connecticut)
• Trinity College (University of Melbourne)
• Trinity College (Washington, DC)
• Trinity College (Florida)
• Trinity College (Vermont)
• Trinity College and Seminary, Newburgh, Indiana
• The University of Trinity College, Toronto, Canada
• Trinity College School, Port Hope, Ontario
• Trinity College, Glenalmond

There is also Trinity Christian College in Illinois.

Trinity College and University (Malaga, Spain) is widely considered to be a diploma mill.

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