Bristol Myers Squibb (NYSE symbol BMY) is an American pharmaceutical company.

BMY or bmy may also refer to:

• Bhilai Marshalling Yard, a railway yard in Bhilai Charoda, Chhattisgarh, India
• Bloomsbury Publishing, a British publishing house, by LSE symbol
• Bowen McLaughlin York, a manufacturer and designer of combat vehicles and other defense hardware that merged to form United Defense
• Bramley railway station (Hampshire), a train station in Bramley, Hampshire, England, UK, by station code
• Île Art – Waala Airport, an airport on Art Island on the Pacific archipelago of New Caledonia, by IATA code
• bmy, a retired ISO 639 language code for the Bemba language, later recognized as duplicating the Buyu language of the Democratic Republic of the Congo