Walter Devereux may refer to:

Walter Devereux (born 1173) (1173–c. 1197), Anglo-Norman nobleman Walter Devereux of Bodenham and Bromwich (c. 1221–1292), Anglo-Norman knight and sheriff of Herefordshire Walter Devereux (died 1305) (c. 1266–1305), member of a prominent knightly family in Herefordshire Walter Devereux (died c. 1383) (c. 1339–c. 1383), member of parliament, sheriff, and justice of the peace for Hereford Walter Devereux (died 1402) (c. 1361–1402), MP for Herefordshire 1401 Walter Devereux (1387–1419), knight of Herefordshire Walter Devereux (1411–1459), Lord Chancellor of Ireland 1449–c. 1451 Walter Devereux, 8th Baron Ferrers of Chartley (c. 1431–1485), son of the above, Yorkist politician and military officer during the Wars of the Roses Walter Devereux (MP for Cardiganshire), MP for Cardiganshire, 1547 Walter Devereux, 1st Viscount Hereford (1488–1558), grandson of the above, Custos Rotulorum of Cardiganshire from 1543 to 1558 Walter Devereux, 1st Earl of Essex (1541–1576), grandson of the above, Earl Marshal of Ireland in 1576 Walter Devereux (assassin) (died 1640), Irish assassin of Albrecht von Wallenstein Walter Devereux (died 1641), MP for Pembroke, Tamworth and Lichfield Walter Devereux, 5th Viscount Hereford (1578–1658), grandson of the first Viscount, MP for Stafford and Worcestershire Walter Devereux (died 1683), MP for Orford

See also Walter Deveraux, a fictional character in Hollyoaks