| La Fleur |
| Laan |
| Laar (4) |
| Lab (3) |
| Lagemaat (2) |
| Lamberts |
| Lamers |
| Lamfers |
| Lammers (5) |
| Land (8) |
| Landaal |
| Landman (2) |
| Landzaat |
| Langen |
| Langenberg |
| Langeweg (2) |
| Lankman |
| Lans (2) |
| Lassche |
| Leenhouts (2) |
| Leertouwer |
| Leeuw |
| Leeuwen |
| Leeuwenkuijl, van den |
| Leijen |
| Leuinck |
| Leusink (11) |
| Leusken (2) |
| Lichtenbarchs |
| Lichtendahl |
| Liefers (2) |
| Liesveld (2) |
| Lievers |
| Limburg (4) |
| Limpers |
| Linde |
| Lindeboom (3) |
| Linssen |
| Logtenberg (4) |
| Lohman |
| Lohuizen (3) |
| Lokhorst (15) |
| Loo (9) |
| Loon |
| Looyen (2) |
| Looyengoed (2) |
| Loozenoord |
| Lubberts |
| Lubbertsz (2) |
| Lugt |
| Luigjes |
| Luitjens (2) |
| Lunenberg (2) |
| Lycklama a Nijeholt (15) |
| Lycklama Nyeholt |