Paris - Île-de-France
- Lacas
- Lachenal
- Lachevre
- Lachgar
- Lachhab
- Lacides
- Laclau
- Lacoeuilhe
- Lacout
- Lacoux
- Lacronique
- Ladet
- Ladhari
- Ladjadj
- Lafolie
- Lafonta
- Lafrance
- Lagarenne
- Lage
- Lager
- Lages
- Lagesse
- Lagha
- Lagriffoul
- Lagui
- Lahcen
- Lahellec
- Lahmani
- Lahmy
- Lahondes
- Laid
- Laidouni
- Laigo
- Laird
- Lairy
- Laissy
- Lajoie
- Lajouanie
- Lajugie
- Lajus
- Lakbiri
- Laks
- Lal
- Lalain
- Lalance
- Lalet
- Lallia
- Lallouette
- Laloui
- Lalu
- Lamart
- Lamas
- Lamoure
- Lampe
- Lampert
- Lampin
- Lamy de La Chapelle
- Lanaud
- Landowski
- Langeard
- Langlois-meurinne
- Langrand
- Lankri
- Lankry
- Lannuzel
- Lanot
- Lanoë
- Lanquetot
- Laouari
- Laouedj
- Laouini
- Lapalus
- Laperrousaz
- Laplane
- Lapostolle
- Laprade
- Larab
- Larde
- Laroppe
- Larriere
- Larrive
- Lartigau
- Larzul
- Lasbleiz
- Lasri
- Lasseron
- Lastennet
- Latoui
- Latrache
- Laubies
- Laugee
- Launoy
- Laupretre
- Laureillard
- Laurendeau
- Laurenty
- Laurette
- Lautard
- Lautrette
- Lauv