MTR (disambiguation)

MTR is an abbreviation for:

• Material test reactors belong to the group of research reactors and are provided by fast neutrons for the study of nuclear fuel and radiation damage in structural materials
• MTR Corporation, a Chinese company based in Hong Kong

Mtr is an abbreviation for:

• Meridiantertie, a nautical measure of length in nautical system
• Meter, historical

• Disambiguation
• Abbreviation