| Naam | Aantal | Naam | Aantal |
|---|---|---|---|
| Lumsden | 1 | Lutzow, von | 5 |
| Luna, de | 5 | Luun, ter | 1 |
| Lundie | 1 | Luunen, van | 2 |
| Lundy | 1 | Luxembourg | 1 |
| Lüneburg, von | 2 | Luxembourg, de | 93 |
| Luneman | 1 | Luxembourg, von | 9 |
| Lunenborg | 5 | Luxembourg-Bohemen, von | 1 |
| Lunenborger | 4 | Luxembourg-Ligny, de | 13 |
| Luning | 2 | Luxembourg-Ligny, van | 1 |
| Luning, von | 1 | Luxembourg-St. POl, de | 1 |
| Lupé, de | 1 | Luxemburg, van | 1 |
| Lupfen, von | 1 | Luxemburg, von | 1 |
| Luppé, de | 17 | Luxemburg-Fiennes, van | 1 |
| Lur, de | 2 | Luyck, van | 1 |
| Lur-Saluces, de | 2 | Luys | 1 |
| Lusigbab, de | 1 | Luzarches, de | 1 |
| Lusignan, de | 101 | Luze, de | 2 |
| Luske | 1 | Luzech, de | 1 |
| Lussan, de | 1 | Lygon | 2 |
| Lussigny, de | 1 | Lyle | 1 |
| Lussing | 2 | Lymbrake | 1 |
| Lustrac, de | 6 | Lynam | 1 |
| Lutegareshale, of | 3 | Lynar, de | 1 |
| Luteijn | 2 | Lynar, zu | 2 |
| Lutjekossink | 1 | Lynden, van | 12 |
| Lutken | 4 | Lynden van Sandenburg, van | 8 |
| Lutrell | 1 | Lyon | 5 |
| Lüttichau, von | 1 | Lyon-Forez, de | 1 |
| Luttik | 4 | Lyon-Glamis | 1 |
| Luttrel | 9 | Lysfelt, von | 1 |
| Lüttwitz, von | 1 | Lysfelt und Harem, von | 1 |
| Lutwyche | 1 | Lyttelton | 1 |
| Lützenstein, von | 2 | - | - |