| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 281 | Lang | Anglo-Saxon | Long. | M | |
| 282 | Lange | Anglo-Saxon | Long. | M | |
| 283 | Lar | Anglo-Saxon | Teaches. | M | |
| 284 | Larcwide | Anglo-Saxon | Counsel. | M | |
| 285 | Leanian | Anglo-Saxon | Reward. | M | |
| 286 | Leax | Anglo-Saxon | Salmon. | M | |
| 287 | Leng | Anglo-Saxon | Long. | M | |
| 288 | Leof | Anglo-Saxon | Beloved. | M | |
| 289 | Lidmann | Anglo-Saxon | Sailor. | M | |
| 290 | Lin | Anglo-Saxon | Dwells by the torrent. | M | |
| 291 | Linn | Anglo-Saxon | Dwells by the torrent. | M | |
| 292 | List | Anglo-Saxon | Cunning. | M | |
| 293 | Lucan | Anglo-Saxon | Joins. | M | |
| 294 | Lufian | Anglo-Saxon | Love. | M | |
| 295 | Lunden | Anglo-Saxon | From London. | M | |
| 296 | Lyn | Anglo-Saxon | Dwells by the torrent. | M | |
| 297 | Lynn | Anglo-Saxon | Dwells by the torrent. | M | |
| 298 | Magan | Anglo-Saxon | Competent. | M | |
| 299 | Mann | Anglo-Saxon | Vassal. | M | |
| 300 | Manton | Anglo-Saxon | From Mann's castle. | M | |