Guestling is a village and civil parish in the Rother District of East Sussex, England. The village is located three miles (5 km) north-east of Hastings on the A259 road to Rye. Its parish church is dedicated to St Laurence, and is part of the United Benefice of Fairlight, Guestling and Pett. The school in the village is the Guestling-Bradshaw CE Primary School 
The village is a scattered one, consisting of two parts — Guestling Green and Guestling Thorn; the hamlet of Three Oaks lies within the parish.