Lyon - Rhône-Alpes
- Laborie
- Laboureau
- Labouret
- Labourier
- Labre
- Laby
- Lacassagne
- Lacazedieu
- Lachaise
- Lachavanne
- Lachi
- Laclau
- Lacourtablaise
- Ladias
- Ladjal
- Ladouce
- Ladret
- Ladreyt
- Laennec
- Laetitia
- Lafaille
- Lafanechere
- Laffaire
- Lafleche
- Lafontaine
- Lafuma
- Lagesse
- Lago
- Lagoune
- Lagrue
- Laguerre
- Lahbib
- Laheurte
- Lahrach
- Lai
- Laigle
- Laily
- Lainé
- Lair
- Laissus
- Lalisse
- Lalo
- Laloua
- Lamamra
- Lamanna
- Lamare
- Lamari
- Lamblin
- Lambrinidis
- Lameloise
- Lamercerie
- Lami
- Lamici
- Lamloumi
- Lamouille
- Lamouroux
- Lanani
- Lance
- Lancien
- Landoin
- Landois
- Lanet
- Lanfray
- Langar
- Langloys
- Lanher
- Lanoy
- Lapalud
- Laperrousaz
- Laplanche
- Lapp
- Lapray
- Laquet
- Laracine
- Larbes
- Larese
- Largot
- Larochelle
- Larouci
- Laroui
- Laroze
- Larrue
- Lartigaud
- Laruelle
- Lascombe
- Lasladj
- Lasry
- Lassallette
- Lathuille
- Latrache
- Latrasse
- Latta
- Lattard
- Lauby
- Lauer
- Laupretre
- Laurain
- Laurans
- Lauray
- Lauriau