The Office of Naval Intelligence (ONI) is an organization that provides vital intelligence services to the United States Navy. Although there are no direct synonyms for ONI, there are several alternative phrases that can be used to describe the services offered by the organization. Some of the phrases that can be used as synonyms for ONI includes the Navy Intelligence, Naval Intelligence Agency, Bureau of Naval Intelligence (BNI), Intelligence Directorate Navy (ID N), Naval Intelligence Support Center (NISC), and Naval Intelligence Activity (NIA). These phrases can be used interchangeably with ONI to describe the intelligence services provided by the organization to the United States Navy.