Sir John Byron (c. 1526 – 1600) was an Elizabethan English nobleman, landowner, politician, and knight.

Byron was the son of John Byron by his second wife, Elizabeth Costerdine and lived at Clayton Hall, Manchester, and later Royton, both then in Lancashire[1] and later still at Newstead Abbey in Nottinghamshire, which he inherited from his father.

[2] His daughter Elizabeth married John Atherton.

[3] His granddaughter Margaret married to Sir Thomas Hutchinson of Owthorpe, Nottinghamshire.

This biography of a peer, peeress or noble of the United Kingdom, or one or more of its constituent countries, is a stub.