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- Lafosse, Jean-Louis (1941–1981), Le Mans 24h
- Lambert, Percy (1881–1913), record attempt, Brooklands
- Larson, Jud (1928–1966), USAC Sprint Car race, Reading, Pennsylvania
- Massimo Larini (? - 1973) One of 3 drivers to be killed in the 1973 24 hours of Spa
- Leach, V.S. (died 1939), Australian Grand Prix, Lobethal South Australia
- Leasher, Glenn (1937–1962), record attempt, Bonneville Salt Flats
- Lehoux, Marcel (1888–1936), Deauville Grand Prix
- Lami, Catullo, (-1939), Coppa Acerbo
- Levegh, Pierre (1905–1955), 1955 Le Mans disaster
- Lewis-Evans, Stuart (1930–1958), Morocco GP, Casablanca, in hospital six days after race accident
- Lindley, Butch (1948–1990), Short track race, DeSoto Speedway
- Linder, Dick (April 6, 1923 - April 19, 1959) USAC Sprint Cup race, Trenton, NJ
- Lingenfelter, John (1945–2002), NHRA Sport Compact Drag Racing Series 2002 Auto Club NHRA Finals Pomona, CA Eliminations
- Lockhart, Frank (1903–1928), record attempt, Daytona Beach
- Lovell, Mark (1959–2003), SCCA Rally
- Lucienbonnet, Jean (1923–1962), Formula Junior, Enna-Pergusa Circuit, Sicily
- Lund, Tiny (1929–1975), Talladega 500 NASCAR race, Talladega
- Lyndon, Stuart (1950–1985), killed in an ARCA race at Atlanta Motor Speedway
Read more about this topic: Driver Deaths In Motorsport