Raceteams - alphabetical overview: M
- M-Sport
- M-Tac
- M-Tec
- M.P. Racing
- M1 Racing
- M1RA
- M2 Autosport
- M2 Competition
- M4T Motorsport
- ma-con Motorsport
- MA:GP
- MAC Racing
- Machanek Racing
- MacPro Racing
- Macrow Racing
- Madgwick International
- Madpanda Motorsport
- Maejima
- Magnus Racing
- Magro Motorsport
- Magrys
- Mahindra Racing
- Mamerow Racing
- Mango Racing
- Manheller Racing Team
- Mann Motorsports
- Manor F1 Team
- Manor Motorsport
- Manor MP Motorsport
- Manthey Racing
- Mantis Racing
- Manzini Competições
- Marc Sourd Racing
- Marc VDS Racing Team
- Marcos Racing International
- Marcus Motorsports
- Margaritis Racing
- Margraf Racing
- Mario Racing
- Mark Bailey Racing
- Mark Burdett Motorsport
- Mark Godwin Racing
- Mark Noske
- Mark Winkelman
- Markland Racing
- Marsh Racing
- Marshall Motorsport
- Martello Racing
- Martin Dechent
- Martin Flitton Racing
- Martin Veyhle Racing
- Marussia F1 Team
- Marussia Virgin Racing
- Mas Du Clos Racing
- Maserati Spa
- Massive Motorsport
- Master Motorsport
- Master Team
- Mastercar
- MAT Racing Team
- Matador Rennsport
- Matech Competition
- Materia Motorsport
- Mathiasen Motorsports
- Mathol Racing
- Matt Chahda Motorsport
- Matt Connolly Motorsports
- Matt Stone Racing
- Matthew White Racing
- Maurer Motorsport
- Mauro Rally Tuning
- Max Papis Racing
- Max Pigoli Team
- Max Q Motorsports
- Max Racing
- Max Team
- Max Travin Racing Team
- Mayfield Motorsports
- MB Racing Performance
- MBD Sportscar
- MBM Motorsports
- McAlpine Racing
- McAtee Motorsports
- McCann Racing
- McCarthy
- mcchip-dkr
- McClintock Racing
- McCormack Motorsports
- McGlynn Racing
- McLaren
- McLaren SP
- McNeil Engineering
- MDK Motorsports
- MDL Racing
- ME Motorsport
- Meco Motorsports
- Megadrive
- Melbourne Performance Centre
- Memphis Racing
- Mentos Racing
- Menu Motorsport
- MenX
- Mercedes GP
- Merchant Services Racing
- Merelli
- Messer Motorsport
- Metro Racing Systems
- Mexpro Racing
- Meycom Sport
- Meyer
- Meyer Shank Racing
- Michael Baughman Racing
- Michael Colucci Racing
- Michael Crawford Motorsports
- Michael Illbruck
- Michaël Mazuin Sport
- Michael Shank Racing
- Michael Waltrip Racing
- Michel Laville Compétition
- Mico's Racing
- Mid America Motorsports
- Mid-Atlantic Motorsports
- Midas Carrera Team
- Middlebridge Racing
- Midland
- Mik Corse
- Mile High Motorsports
- Milldent Motorsport
- Milldun Motorsport
- Millennium Motorsport
- Millennium Motorsports
- Miller Barrett Racing
- Miller Vinatieri Motorsports
- Mills Motor Sport
- Minardi F1 Team
- Minardi Team Adolfo
- Minardi Team USA
- Minda Motorsport
- Miracle Motorsports
- Mirage Motorsport
- MIS Sport Promotion
- Mishumotors
- Mitchum Motorsports
- MLR71 Racing Team
- MLT Motorsports
- MM International Motor Sport
- MM Motorsport
- MMP Motorsport
- MN Developpement
- Mo Nunn Racing
- Mobil Super Racing
- Modena Engineering
- Modena Group Racing
- Modena Motorsports
- Mofaz Racing
- Mola
- Momentum Motorsports
- Momo-Megatron
- Monaco Driving Experience
- Monaco Motorsport
- Monlau Competición
- Mönninghoff Racing
- Monolite Racing
- Monti Motorsport
- Montréal Motorsport Group
- Monza Garage
- Mooncraft
- Moore International Motorsport
- Moorespeed
- Morand Racing
- Morcombe
- Morgan Works Race Team
- Morgan-Dollar Motorsports
- Morgan-McClure Motorsports
- Morin Racing
- Morin Racing Team
- Morrogh
- Morrow Racing
- Mosler Automotive
- Motaworld Racing
- Motech Motorsports
- Motivi Team
- Motopark Academy
- Motor Racing Di-Wheels
- Motor3 Motorsport
- Motorbase Performance
- Motorscape
- Motorsport 98
- Motorsport Competence Group
- Motorsport R.T.S.
- Motorsport Services
- Motorsport Technologies
- Motorsport-Arena Oschersleben
- Motorsportzentrum Rhein-Ruhr
- Motorzone Race Car
- Movisport
- MP Motorsport
- MP1 Corse
- MPP Schwadtke Racing
- Mr Glow Motorsport
- MRD Motorsport
- MRP Motorsport
- MRS
- MS Racing
- MSB Motorsport
- MSC Adenau
- MSC Rhön
- MSC Stuttgart
- MSG Racing
- MSpeed
- MSpeed Racing
- Msport Racing
- MSRT Freiamt
- MSV Racing
- MT Racing
- MTEC Motorsport
- Mtech Racing
- MTM
- Mücke Motorsport
- Muddle Racing
- Mühlner Motorsport
- Multimatic Motorsports
- Mumbai Falcons
- Mumbo Racing
- Münnich Motorsport
- Murphy Prototypes
- Murray Taylor Racing
- Murray's Speed & Custom
- Muzzy Racing
- MV2S Racing
- MW Arden
- MW Motorsport
- MW Sportive
- Mx Piquet Sports
- MX Racing
- Mygale Australia
- MyR Racing Team
- Mythos Racing