MHR
- MHR (formerly MidlandHR)
- Market Harborough railway station
- Matheran Hill Railway
- Meadow Mari language
- Mediterranean Historical Review
- Member of the Australian House of Representatives
- Member of the New Zealand House of Representatives
- Mid Hants Railway
- Mike Harmon Racing
- Monster Hunter Rise
- Montpellier Hérault Rugby
- Muswell Hill Railway
- Sacramento Mather Airport