The Bristol-Myers Squibb Company, doing business as Bristol Myers Squibb (BMS), is an American multinational pharmaceutical company. Headquartered in Princeton, New Jersey, BMS is one of the world's largest pharmaceutical companies and consistently ranks on the Fortune 500 list of the largest U.S. corporations. For fiscal 2022, it had a total revenue of $46.2 billion.

Bristol Myers Squibb manufactures prescription pharmaceuticals and biologics in several therapeutic areas, including cancer, HIV/AIDS, cardiovascular disease, diabetes, hepatitis, rheumatoid arthritis, and psychiatric disorders.

BMS's primary research and development (R&D) sites are located in Lawrence, New Jersey (formerly Squibb, near Princeton), Summit, New Jersey, formerly HQ of Celgene, New Brunswick, New Jersey; Redwood City, California; and Seville in Spain, with other sites in Devens and Cambridge, Massachusetts; Braine-l'Alleud, Belgium; Tokyo, Japan; Hyderabad; Bangalore, India and Wirral, United Kingdom. BMS previously had an R&D site in Wallingford, Connecticut (formerly Bristol-Myers).