- Adair, Robert, Sir, 1763-18551
- Adam (Biblical figure)1
- Adam, Robert, 1728-17922
- Adam, William, 1751-18395
- Adam, William, 1751-1839.2
- Adams, John, 1735-1826.1
- Addington, William, Sir, -18114
- Addington, William, Sir, -1811,1
- Addington, William, Sir, -1811.2
- Addison, Joseph, 1672-1719,1
- Addison, Joseph, 1672-1719.7
- Adelaide, Queen, consort of William IV, King of Great Britain, 1792-184926
- Adhémar, Jean-Balthazar d'Azemar de Montfalcon, comte d', 1731-17911
- Adolphus Frederick, King of Sweden, 1710-17711
- Adolphus Frederick, Prince, Duke of Cambridge, 1774-18502
- Adolphus Frederick, Prince, Duke of Cambridge, 1774-1850,1
- Adonis (Greek deity)8
- Adonis (Greek deity),1
- Adventure (Sloop : 1773-1776)1
- Aelfgifu, Queen, consort of Edwy, King of England, active 956,1