Seymour-Conway is the surname of:
Francis Seymour-Conway, 1st Marquess of Hertford (1718–1794)Francis Seymour-Conway, 2nd Marquess of Hertford (1743–1822)Francis Seymour-Conway, 3rd Marquess of Hertford (1777–1842)Francis Seymour-Conway, 1st Baron Conway (1679-1731/1732), British politicianMaria Seymour-Conway, Marchioness of Hertford (1771–1856)Popham Seymour-Conway (1675–1699), Anglo-Irish landowner and Member of ParliamentRichard Seymour-Conway, 4th Marquess of Hertford (1800–1870)