ESMR may refer to:

• Electrically Scanning Microwave Radiometer
• Enhanced Specialized Mobile Radio

• Cole Ynda
• Coley O'Toole
• Coley, Somerset
• Coley's Point, Newfoundland and Labrador
• Coley's Toxins
• Coleyville, Queensland
• Coleşeni
• Coleşti
• Coleșeni
• Colești
• Colfarit
• Colfax Airport
• Colfax Carnegie Library
• Colfax Corp.
• Colfax Corporation
• Colfax District Cemetery
• Colfax (genus)
• Colfax Junior-Senior High School (Washington)
• Colfax Massacre
• Colfax Municipal Building
• Colfax, Ohio
• Colfax stewensi
• Colfax Township (disambiguation)
• Colfax Township, Indiana
• Colfax Township (Kandiyohi County, Minnesota)