Holy Trinity Church, Northwich, (also known as Holy Trinity Church, Castle) is in the Castle district of Northwich, Cheshire, England. It is an active Anglican parish church in the deanery of Middlewich, the archdeaconry of Chester, and the diocese of Chester. Its benefice is united with that of St Luke, Winnington, Northwich. The church is recorded in the National Heritage List for England as a designated Grade II listed building.
