| Laaden (2) |
| Laak, van (6) |
| Laan |
| Laan, van der (11) |
| Labe |
| Labots |
| Lachmeijer |
| Laddrak |
| Lagcher, van |
| Lageman |
| Lagewaard |
| Lagrange |
| Lakerveld (3) |
| Lakerveld, van |
| Lam, van ’t (14) |
| Lamberts |
| Lamboo |
| Lambregts (2) |
| Lamers (3) |
| Lamme |
| Lammen (3) |
| Lammens |
| Lammerding |
| Lammeree (2) |
| Lammeren, van (3) |
| Lammers (11) |
| Landenberg Greifensee, von |
| Landenberg von Werdegg, von (2) |
| Langbroek (2) |
| Langclaus (2) |
| Lange, de (30) |
| Lange, van (3) |
| Lange, von |
| Lange Weije |
| Langelaan (4) |
| Langelaen (6) |
| Langen, de |
| Langenberg (6) |
| Langendam |
| Langendijk |
| Langendoen (2) |
| Langerack |
| Langerak |
| Langerlaan (12) |
| Langeslag (2) |
| Langeveld (4) |
| Langeweije |
| Lanhamie |
| Lans (9) |
| Lans, van der |
| Lanschot, van |
| Lansman (2) |
| Lanting (3) |
| Laport |
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| Larekamp |
| Lasschuit (6) |
| Lauff |
| Laufkotter (7) |
| Lauriks |
| Lauterbach (5) |
| Lauxtermann (2) |
| Laven |
| Lavigne (3) |
| Lebben, van (2) |
| Lebbink |
| Lede, van der (2) |
| Lee, van der (12) |
| Leede, van der |
| Leeden, van der |
| Leeflang (8) |
| Leeflangh (3) |
| Leek, van |
| Leeksma (2) |
| Leemans (2) |
| Leenders (3) |
| Leenderts |
| Leeners |
| Leentvaar |
| Leeuw, de (2) |
| Leeuw, van der (2) |
| Leeuwen |
| Leeuwen, van (51) |
| Leeuwenberg |
| Leeuwenstein (12) |
| Leeuwerink |
| Leevlang (3) |
| Lega (4) |
| Lege, de (6) |
| Leggers |
| Lei, van der (3) |
| Leijdekkers (5) |
| Leijden (Van Pendrecht), van |
| Lelienberg, van |
| Lelieveld (19) |
| Leliveld |
| Lemke |
| Lengers |
| Lens |
| Lensen |
| Lent, van (14) |
| Lenten, van (3) |
| Leonard |
| Leroy |
| Lestevenon (22) |
| Leu, de |
| Leuning |
| Leuring (2) |
| Leuwen, van |
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| Levelang (16) |
| Levenlanck (2) |
| Levenlangh |
| Lewe |
| Ley, van der (11) |
| Lezenne Coulander, de |
| Lichte, van der |
| Liebeherr |
| Lieber |
| Lieffering |
| Lieshout, van |
| Liesner |
| Liessier |
| Liet |
| Lieven (2) |
| Ligt, de |
| Ligtenberg |
| Limmen |
| Limmen, van |
| Lind, van der (2) |
| Linde, van der (2) |
| Lindeblad (2) |
| Lindeman (2) |
| Linden, van der (5) |
| Linders (5) |
| Lindgreen (2) |
| Lindhout |
| Ling, van |
| Lingen, van der |
| Linnekamp (8) |
| Linschoten, van |
| Linschotte, van |
| Linse |
| Lint, van der |
| Lip |
| Lit |
| Littel (2) |
| Lockhorst (2) |
| Lodder (2) |
| Lodders |
| Lodenkemper (2) |
| Lodewijk (3) |
| Loemans |
| Logher (2) |
| Lok (5) |
| Lokker (2) |
| Lomp |
| Loo, van (14) |
| Loo, van der |
| Loofs |
| Loogman |
| Looije (2) |
| Lookamp (2) |
| Looman |
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