Walter Montagu (died 1615) was an English politician who sat in the House of Commons in 1614.
Montagu was the second son of Sir Edward Montagu of Boughton.
He became High Sheriff of Monmouthshire in 1608.
[1] Montagu died in 1615 and was buried at Llanmartin.
[1] Montagu married Ann Morgan daughter of Henry Morgan of Pencoyd.