ETM

ETM may refer to:

• E_TM, a name given in Computer Science to the set of all Turing Machines which never reach an accepting state.

• Encrypt-then-MAC
• Energy and Technology Museum, in Vilnius, Lithuania
• Entercom, an American broadcasting company
• Erythromycin in report-related contexts
• Estuarine turbidity maximum
• European Travel Monitor
• Ramon International Airport, in Israel