Great Cornard is a large village and civil parish that is part of the town of Sudbury, in the Babergh district, in the county of Suffolk, England.

The area now called Great Cornard has been occupied since pre-history, with evidence of Palaeolithic, Bronze Age and Roman settlements in the parish.

A small undated ringwork, located to the south of Abbas Hall, may have been an manorial centre pre-Norman conquest.

On the outskirts of the village lies Cornard Country Park, a nature reserve containing wild flower meadows and woodland.

Secondary education is provided by Thomas Gainsborough School, which also houses the village's sports centre, library and theatre.