Anheuser-Busch InBev SA/NV, commonly known as AB InBev, is a Belgian multinational drink and brewing company based in Leuven, Belgium and is the largest brewer in the world. Additionally, AB InBev has a global functional management office in New York City, and regional headquarters in São Paulo, London, St. Louis, Mexico City, Bremen, Johannesburg, and others. It has approximately 630 beer brands in 150 countries.

AB InBev was formed through InBev acquiring the American company Anheuser-Busch. Anheuser-Busch InBev SA/NV is a publicly listed company, with its primary listing on the Euronext Brussels. It has secondary listings on Mexico City Stock Exchange, Johannesburg Stock Exchange, and New York Stock Exchange.