Sir Walter Devereux, 5th Viscount Hereford, 2nd Baronet of Castle Bromwich (c. 1575 – 1656), was an Englishpolitician who sat in the House of Commons at various times, between 1614 and 1624, before succeeding to the family Viscountcy in the peerage of England.
Devereux married twice, firstly, Elizabeth Baspole, daughter of Robert Baspole and secondly, Elizabeth Knightley, daughter of Thomas Knightley. With the latter he had three sons:
Essex Devereux (1615–1639) who married Anne daughter of Sir William Courteen and Anne Tryon but drowned while boating leaving one daughter, Elizabeth. Anne married secondly Sir Richard Knightley;