Reading South was a borough constituency represented in the House of Commons of the Parliament of the United Kingdom.

The County Borough of Reading wards of Church, East, Katesgrove, Minster, Redlands, and West.

[2] It was then abolished and absorbed into the re-established constituency of Reading, with the exception of the East ward, which was transferred to Wokingham.

The Park ward of the County Borough of Reading was transferred from Wokingham, along with western parts of the Rural District thereof.

Gerard Vaughan went on to hold the Reading East constituency until he stood down at the 1997 general election.