TMH may refer to:
- Tallahassee Memorial HealthCare
- TimedMediaHandler, Wikimedia extension to display audio and video files in wiki pages
- TMH Polonia Bytom
- tmh, the ISO 630 code for the Tuareg languages
- Transmashholding
- Tuen Mun Hospital, a public hospital in Hong Kong
- Tuen Mun Hospital stop, by MTR station code