Novartis International AG is a multinational pharmaceutical company based in Basel, Switzerland, ranking number two in sales (46.806 billion US$) among the world-wide industry in 2010.

Novartis manufactures such drugs as clozapine (Clozaril), diclofenac (Voltaren), carbamazepine (Tegretol), valsartan (Diovan), imatinib mesylate and (Gleevec / Glivec). Additional agents include ciclosporin (Neoral / Sandimmun), letrozole (Femara), methylphenidate (Ritalin), terbinafine (Lamisil), and others.

Renamed to Novartis following an acquisition by Ciba-Geigy, it owns Sandoz, a large manufacturer of generic drugs. The company formerly owned the Gerber Products Company, a major infant and baby products producer, but sold it to Nestlé on 1 September 2007.

Novartis is a full member of the European Federation of Pharmaceutical Industries and Associations (EFPIA) and of the International Federation of Pharmaceutical Manufacturers and Associations (IFPMA).

Novartis was created in 1996 from the merger of Ciba-Geigy and Sandoz Laboratories, both Swiss companies with long histories. Ciba-Geigy was formed in 1970 by the merger of J. R. Geigy Ltd (founded in Basel in 1758) and CIBA (founded in Basel in 1859). Combining the histories of the merger partners, the company's effective history spans 250 years.