British and Irish History: Biographies
- Llywelyn ap Gruffydd
- Llywelyn ap Iorwerth
- Lord Edward Fitzgerald
- Lord George Gordon
- Lord George Murray
- Lord Henry Stuart Darnley
- Lord Randolph Henry Spencer Churchill
- Lord William Cavendish Bentinck
- Lord William George Frederick Cavendish Bentinck
- Louis Francis Albert Victor Nicholas Mountbatten 1st Earl Mountbatten of Burma
- Louis Ginzberg
- Louis-Joseph Papineau
- Louise Renee de Keroualle duchess of Portsmouth
- Lucius Cary 2d Viscount Falkland
- Lucy Walter
- Malcolm III
- Malcolm IV
- Margaret
- Margaret Hilda Roberts Thatcher Baroness Thatcher
- Margaret of Anjou