M20
- B-611
- BMW M20
- BSA M20
- British NVC community M20
- Diamond T tank transporter
- Garmin Nüvifone
- Highway M20 (Ukraine)
- M-20 (Michigan highway)
- M-20 (computer)
- M1920 (disambiguation)
- M20 (Durban)
- M20 (Istanbul Metro)
- M20 (Johannesburg)
- M20 (New York City bus)
- M20 (Pietermaritzburg)
- M20 (Pretoria)
- M20 (rocket)
- M20 Armored Utility Car
- M20 SLBM
- M20 Super Bazooka
- M20 highway (Russia)
- M20 motorway
- M20 motorway (Ireland)
- M20 recoilless rifle
- M20 road (Zambia)
- M2020
- Macchi M.20
- Messier 20
- Miles M.20
- Model 20 (disambiguation)
- Mooney M20
- Northern Expressway
- Olivetti M20
- Samsung Galaxy M20
- TT pistol
- Weiwang M20