NBI

NBI stands for several organizations and programs. The most widely known usage is for the National Bureau of Investigation (NBI) of the Philippines, a government agency under the Department of Justice tasked with investigating serious crimes, corruption, and organized crime, and with providing specialized services such as forensic analysis and intelligence support. The NBI operates the NBI clearance, an identity and background check widely required for employment, visa application, and other official transactions.

In other countries and contexts, NBI can refer to different national or regional bodies, including law enforcement, anti-corruption commissions, or research institutes. Because the acronym is used by multiple organizations, the exact meaning is determined by geographic or disciplinary context. In academic or professional writing, it is advisable to define the acronym on first use.