| Auth name | Display name | Birth year | Death year | Gender | Contribution Count |
|---|---|---|---|---|---|
| — | Julia Luard | — | — | Unknown | 1 |
| — | Julie Salis Schwabe | — | — | Unknown | 1 |
| — | K. | — | — | Unknown | 1 |
| — | K. T. | — | — | Unknown | 1 |
| — | L. | — | — | Unknown | 1 |
| — | L. | — | — | Unknown | 1 |
| — | L. | — | — | Unknown | 1 |
| Louisa Felllowes | L. F. | — | — | Unknown | 9 |
| — | L. F. P. | — | — | Unknown | 3 |
| — | L. F. Selwyn | — | — | Unknown | 1 |
| — | L. L. | — | — | Unknown | 1 |
| — | L. N | — | — | Unknown | 2 |
| — | L. S. | — | — | Unknown | 2 |
| — | L. S. B. | — | — | Unknown | 1 |
| — | L. S. G. | — | — | Unknown | 1 |
| — | L. Underdown | — | — | Unknown | 2 |
| — | L. W. Fellows | — | — | Unknown | 0 |
| — | La Reine Hortense | — | — | Unknown | 1 |
| — | Lady Teacher | — | — | Unknown | 1 |
| — | Laura Edwards | — | — | Unknown | 1 |
| Leonora | Leonora | — | — | Unknown | 1 |
| Louis Jean Joseph Blanc | Louis Blanc | 1811 | 1882 | Male | 1 |
| — | Louisa Gann | — | — | Unknown | 1 |
| Louisa Hale | Louisa Hale | — | — | Unknown | 1 |
| Louisa (Elizabeth) Twining | Lousia Twining | 1820 | 1912 | Unknown | 4 |