M
- MacKay-Fraser, Herbert (1927–1957), Formula 2 race, Reims
- Malloy, Jim (1932–1972), Indy 500 qualifying
- Marcelo, Jovy (1965–1992), Indy 500 practice
- Maréchal, Pierre (1917–1949), 24 Hours of Le Mans
- Magaña, Marco, (-1993) Fórmula Dos (Formula 3) race, Autódromo de Monterrey
- Marimón, Onofre (1923–1954), German GP practice, Nürburgring
- Marshman, Bobby (1936–1964), Champ Car private testing, Phoenix
- Martin, Eric (1969–2002), ARCA, EasyCare 150 Practice Session, Lowes Motor Speedway
- Materassi, Emilio (1889–1928), Italian GP, Monza
- Matsunaga, Takashi (1943–1969) Suzuka 12 Hours race, Suzuka Circuit
- Mayer, Timmy (1938–1964), Tasman Cup race, Longford Circuit
- Mays, Rex (1913–1949), AAA Champ Car race, Del Mar
- Morr, Tyler (2000-2012), Mini Stock, Auburndale Florida
- MacDonald, Dave (1936–1964), Indy 500
- MacTavish, Don (194?-1969), Sportsman 300, Daytona.
- McColl, Stewart (1979–2003), Production car, Phillip Island.
- McDuffie, J. D. (1938–1991), NASCAR Cup race, Watkins Glen
- McGrath, Jack (1919–1955), AAA Champ Car race, Phoenix
- McLaren, Bruce (1937–1970), McLaren Can-Am testing, Goodwood
- McLean, Bob (1933–1966), 1966 Sebring 12 Hour Race
- Medlen, Eric (1973–2007), NHRA Full Throttle Drag Racing 2007 NHRA ACDelco Gatornationals Gainesville, FL Testing
- Mendez, Russel (? - 1975) Fatal Crash in 1975
- Merz, Otto (1889–1933), Avusrennen practice, AVUS
- Milburn, Danny (1950–1991), USAC Silver Crown at Phoenix Int'l Raceway
- Miller, Chet (1902–1953), Indy 500 practice
- Miles, Ken (1918–1966), Ford GT prototype testing, Riverside
- Minter, Kenny (1956–1995), S.M.A.R.T. Race, Caraway Speedway
- Mitsuno, Takeshi, Suzuka Circuit 1965
- Mitter, Gerhard (1935–1969), Formula 2, practice for F1 German Grand Prix, Nürburgring
- Moll, Guy (1910–1934), Coppa Acerbo, Pescara
- Moore, Greg (1975–1999), Marlboro 500 CART Champ Car race, Fontana
- Mouras, Roberto (1948–1992), Turismo Carretera race at Lobos, Argentina
- Müller, Herbert (1940–1981), 1000km Nürburgring Sports car race
- John Mulligan (NHRA/AHRA top fuel driver) Beebe&Mulligan Team 1943-1969 1969 US Nationals Indianapolis Indiana national drag race
- Muramatsu, Eiki (1965–1990), All-Japan Formula 3000 Championship testing accident, Fuji Speedway
- Murphy, Jimmy (1894–1924), AAA Champ Car race, Syracuse
- Musso, Luigi (1924–1958), French GP, Reims
- Myers, Bobby (1927–1957), 1957 NASCAR Southern 500 at Darlington Speedway
Read more about this topic: Driver Deaths In Motorsport