BTM may refer to:
- Business Technology Management (BTM)
- Business Transaction Management
- Benefitive Treasury Measure
- Behind the Music
- Bell Telephone Manufacturing Company (BTMC) in Antwerp, Belgium, now a part of Alcatel
- Bromotrifluoromethane
- Bronx Terminal Market
- The Bank of Tokyo-Mitsubishi, Ltd.
- British Tabulating Machine Company
- Bert Mooney Airport, an airport near Butte, Montana
- Beneath The Massacre, a Technical death metal band from Montreal
- Berlin Tourism Marketing (Berlin Tourismus Marketing), a public private partnership to promote tourism in Berlin, Germany
- Bristol Temple Meads railway station
- Bukit Timah Monkey Man, a Singapore cryptid
- BTM Layout, a residential area in southern Bangalore, India
- Bigger Than Me
- Biot–Tolstoy–Medwin diffraction model