Winslow is a market town and civil parish designated as a town council in the north of the Unitary Authority of Buckinghamshire, England. It has a population of just over 4,400. It is located approximately 6 miles (9.7 km) south-east of Buckingham, and 7 miles (11 km) south-west of Bletchley (Milton Keynes).

Winslow was first recorded in a royal charter of 792-793 in which it was granted by Offa of Mercia to St Albans Abbey as Wineshauue, which means Wine's Burial Mound The Domesday Book of 1086 records it as Weneslai.

A late Celtic copper torc has been found here, and also a silver drinking-cup of late Roman design.

Winslow Hall sits on the main road leading into the town from Aylesbury. It was built possibly from the designs of Sir Christopher Wren by William Lowndes, secretary to the Treasury. His name and the date 1700 can be seen on the frieze over the door. The Anglican parish church in High Street, dating from about 1320 is dedicated to St. Laurence (St Laurence's Church, Winslow), and is twinned with St Paul's Church in Winslow, Arizona. The church has a ring of 8 bells, the heaviest weighing 19 long cwt (970 kg).

The half-timbered Bell Hotel was first recorded in the late 16th century and soon became the main hostelry in the town.

Keach's Baptist Chapel, dating from 1695 in its present form, is probably the oldest surviving nonconformist chapel in Buckinghamshire.