The Church of the Holy Trinity is a Grade I listed parish church of the Church of England in Long Melford, Suffolk, England. It is one of 310 medieval English churches dedicated to the Holy Trinity. The church was constructed between 1467 and 1497 in the late Perpendicular Gothic style. It is a noted example of a Suffolk medieval wool church, founded and financed by wealthy wool merchants in the medieval period as impressive visual statements of their prosperity.