EMST may refer to:

• Euclidean minimum spanning tree, a type of subgraph used in graph theory
• Early Management of Severe Trauma, an alternative name for Advanced Trauma Life Support commonly used outside North America
• National Museum of Contemporary Art, Athens
• The Dutch town of Emst

• Ma Jonggi
• Major 4000 meter mountain peaks of Alaska
• Major 4000 meter mountain peaks of California
• Major 4000 meter mountain peaks of Colorado
• Major 4000 meter mountain peaks of the United States
• Major 4000 meter peaks of Alaska
• Major 4000 meter peaks of California
• Major 4000 meter peaks of Central America
• Major 4000 meter peaks of Colorado
• Major 4000 meter peaks of México
• Major 4000 meter peaks of North America
• Major 4000 meter peaks of the Rocky Mountains
• Major 4000 meter peaks of the United States
• Major 4000 meter summits of California
• Major 4000 metre peaks of Alaska
• Major 4000 metre peaks of California
• Major 4000 metre peaks of Canada
• Major 4000 metre peaks of Central America
• Major 4000 metre peaks of Colorado
• Major 4000 metre peaks of México
• Major 4000 metre peaks of North America
• Major 4000 metre peaks of the Rocky Mountains
• Major 4000 metre peaks of the United States
• Major 6th chord
• Majora