The title of Earl of Romney was created in the Peerage of the United Kingdom in 1801.

The Earl bears the subsidiary titles of Viscount Marsham (1801) in the Peerage of the UK and Baron Romney (1716) in the Peerage of Great Britain, and is an English baronet (1663).

The family seat is Moat House , near Maidstone, Kent.

Barons Romney (1716)

• Robert Marsham, 1st Baron Romney (1685-1724)
• Robert Marsham, 2nd Baron Romney (1712-1794)
• Charles Marsham, 3rd Baron Romney (1744-1811) (became Earl in 1801)

Earls of Romney (1801)

• Charles Marsham, 1st Earl of Romney (1744-1811)
• Charles Marsham, 2nd Earl of Romney (1777-1845)
• Charles Marsham, 3rd Earl of Romney (1808-1874)
• Charles Marsham, 4th Earl of Romney (1841-1905)
• Charles Marsham, 5th Earl of Romney (1864-1933)
• Charles Marsham, 6th Earl of Romney (1892-1975)
• Michael Henry Marsham, 7th Earl of Romney (1910-2004)
• Julian Charles Marsham, 8th Earl of Romney (b. 1948)