Swallowfield is a village and civil parish in Berkshire, England, about 5 miles (8 km) south of Reading, and 1 mile (1.6 km) north of the county boundary with Hampshire.

Swallowfield has a site of Special Scientific Interest (SSSI) on the south western edge of the village of the village, called Stanford End Mill and River Loddon.

The village has a local nature reserve called Swallowfield Meadow which is a 0.7-hectare (1.7-acre) Local Nature Reserve. It is owned and managed by Swallowfield Parish Council.