| Name | Insgesamt | Name | Insgesamt |
|---|---|---|---|
| Lütholf | 1 | Luz | 2 |
| Luthringshauser | 1 | Luz Monzon, de la | 1 |
| Lüthy | 53 | Luz, de | 1 |
| Lutier | 1 | Luze, de | 29 |
| Lütiger | 3 | Luzia | 1 |
| Lütinger | 1 | Luzzani | 2 |
| Lütishofen, von | 1 | Luzzato | 1 |
| Lütolf | 7 | Lyanna | 29 |
| Lutot, de | 1 | Lyeur | 1 |
| Lutry, de | 5 | Lyeur, Le | 2 |
| Lütschg | 11 | Lygny, de | 1 |
| Lutsch, von | 1 | Lyhringer? | 1 |
| Lütschy | 1 | Lynden Tot Blitterswijk, van | 2 |
| Lutstorf | 263 | Lynden van Sandenburg, van | 2 |
| Lutta | 5 | Lynden-Hoevelaeken, de | 1 |
| Luttenbacher | 1 | Lynden, van | 6 |
| Lüttgen | 1 | Lyner | 2 |
| Luttier | 1 | Lyon | 1 |
| Lüttinger | 1 | Lyonardi | 3 |
| Luttner | 2 | Lyons | 1 |
| Lutz | 687 | Lyoth | 58 |
| Lutz? | 1 | Lyrer | 352 |
| Lutze | 2 | Lyrer (geb. Stadler) | 1 |
| Lützelmann | 87 | Lyrer (Planzer?) | 1 |
| Lützelstein, von | 1 | lyri | 1 |
| Lützler | 6 | Lyrimann | 2 |
| Lutzmann | 1 | Lyser | 43 |
| Lutzmann (Lützmann) | 1 | Lysle | 1 |
| Lux | 1 | Lysser | 11 |
| Luxellis, de | 1 | Lytle | 1 |
| Luxemburg, von | 1 | l’Abbé | 1 |
| Luya | 1 | L’Ecuyer | 1 |
| Luyrieu, von | 9 | - | - |