Marcus Beresford
Marcus Beresford may refer to:
- Marcus Beresford, 1st Earl of Tyrone, Irish MP for Coleraine
- Marcus Beresford (Dungarvan MP), Irish MP for Dungarvan, grandson of the above
- Marcus Beresford (British Army officer, born 1764), British Army general and MP for St Canice and Swords, grandson of the Earl of Tyrone
- Marcus Beresford (British Army officer, born 1800), British Army general and Whig MP for Northallerton and Berwick-upon-Tweed, great-grandson of the Earl of Tyrone
- Marcus Beresford (bishop), Archbishop of Armagh and Primate of All Ireland, great-grandson of the Earl of Tyrone
- Marcus Beresford (Conservative politician), British Conservative politician, MP for Southwark
- Lord Marcus Beresford, British equerry and racing manager to King Edward VII, great-great-grandson of the Earl of Tyrone
- Marcus Beresford, 7th Baron Decies, Anglo-Irish peer, great-great-great-great-grandson of the Earl of Tyrone