YMT may refer to:
- Youth Music Theatre: UK a leading National Youth Music Organisation in the United Kingdom
- Chibougamau/Chapais Airport IATA code, an airport in Quebec, Canada
Ymt or ymt may refer to :
- Yorkville Massage Therapy, a registered massage therapy clinic located in Toronto, Ontario, Canada
- Yersinia murine toxin, a protein associated with Yersinia pestis, the causal agent of plague
- Karagas language ISO 639-3 code, a Siberian language