All Saints' Church, Brixworth, now the parish church of Brixworth, Northamptonshire, England, is a leading example of early Anglo-Saxon architecture. In 1930 the British architectural historian Sir Alfred Clapham called it "perhaps the most imposing architectural memorial of the 7th century yet surviving north of the Alps". It is the largest English church that remains substantially as it was in the Anglo-Saxon era. It was designated as a Grade I listed building in 1954.