- L'ESTOURGEON
- LABRAM
- LABY
- LACE
- LACEY
- LACY
- LADBROOKE
- LAFONTA
- LAIDLAW
- LAIRD
- LAKE
- LAKIN
- LALOE
- LAMB
- LAMBE
- LAMBERT
- LAMBTON
- LAMPARD
- LAND
- LANDON
- LANE
- LANER
- LANEY
- LANG
- LANGABEER
- LANGEBEAR
- LANGFORD
- LANGHAM
- LANGLEY
- LANGMAN
- LANGRIDGE
- LANGRISH
- LANGTON
- LANGWORTHY
- LANKSHEAR
- LANNING
- LANPHIER
- LANSEL
- LANYON
- LAPHAM
- LARCOMBE
- LARCOME
- LARK
- LARKIN
- LARKINS
- LARMANE
- LARRATT
- LASCELLES
- LASH
- LASHBURY
- LASSAM
- LASSINGER
- LATCHAM
- LATHAM
- LATHBURY
- LATREILLE
- LATTEN
- LATTER
- LATTIMER
- LAUET
- LAUGHTON
- LAURENCE
- LAVALETTE
- LAVELLI
- LAW
- LAWES
- LAWFORD
- LAWLEY
- LAWRANCE
- LAWRENCE
- LAWS
- LAWSON
- LAWTON
- LAY
- LAYER
- LAYLAND
- LAYTON
- LAZARUS
- LAZZAROTTO
- LE BAILLY
- LE BAY
- LE BLANCH
- LE FEVRE
- LE GEYT
- LE GRAND
- LE JEUNE
- LE MARCHAN
- LE MARCHAND
- LE MARCHANT
- LE MARE
- LE RAY
- LEA
- LEACH
- LEADAM
- LEAKE
- LEAN
- LEATHAM
- LEAVER
- LECHMERE
- LECKIE
- LEDWARD
- LEE
- LEE-JONES
- LEEKE
- LEEMAN
- LEES
- LEGERTON
- LEGG
- LEGGE
- LEGGETT
- LEGH
- LEGRICE
- LEHMON
- LEIGH
- LEIH
- LEJEUNE
- LELLIOTT
- LEMAIRE
- LEMARCHAND
- LENDRE
- LENNOX
- LEONARD
- LESLIE
- LESPINASSE
- LESTER
- LESTOURGEON
- LETCHFORD
- LETHBRIDGE
- LETTS
- LETTS (LOVEDAY)
- LEVESON-GOWER
- LEVETT
- LEVETT SCRIVENER
- LEVICK
- LEVY
- LEWER
- LEWIN
- LEWINGTON
- LEWIS
- LEWRY
- LEY
- LEYDEN
- LICHFORD
- LIDDELL
- LIDGOLD
- LIDINGTON
- LIGGINS
- LIGHTON
- LIKEMAN
- LILLIE
- LILLY
- LILLYWHITE
- LIM
- LINCOLN
- LIND
- LINDENMAYER
- LINDFIELD
- LINDLEY
- LINDON-TRAVERS
- LINDSAY
- LINDSEY
- LINDUP
- LING
- LINGEN
- LINN
- LINTON
- LIPPOLD
- LIPSCOMB
- LISTER
- LITHGOW
- LITTLE
- LITTON
- LIVESAY
- LIVING
- LIVINGS
- LIVINGSTON
- LIVINGSTON-JAMES
- LIVINGSTONE
- LLEWELLIN-JENKINS
- LLEWELLYN
- LLONATO
- LLOYD
- LOADER
- LOCH
- LOCK
- LOCKE
- LOCKEY
- LOCKIE
- LOCKWOOD
- LOCKYER
- LOE
- LOFFLER
- LOFTUS
- LOGAN
- LOGEZ-DUC
- LOHAN
- LOMER
- LONDON
- LONG
- LONGDEN
- LONGFORD
- LONGHURST
- LONGLEY
- LONGMORE
- LONGRIGG
- LONSDALE
- LORD
- LOTON
- LOUDOUN
- LOUGHTON
- LOUW
- LOVE
- LOVEDAY
- LOVEJOY
- LOVELL
- LOVELL-KNIGHT
- LOVERIDGE
- LOVETT
- LOVEYS
- LOW
- LOWE
- LOWRIE
- LOWTHER
- LOYD
- LUARD
- LUCAS
- LUCAS-SHADWELL
- LUCK
- LUCKETT
- LUCKHURST
- LUCKIE
- LUKE
- LUKER
- LUKES
- LUKIN
- LUMLEY
- LUNGE
- LUNN
- LUPTON
- LURY
- LUSCOMBE
- LUTMAN
- LUXFORD
- LYALL
- LYDE
- LYELL
- LYGON
- LYNAM
- LYNCH
- LYNE
- LYNN
- LYONS
- LYSAGHT
- LYTH