NOB may refer to: National Orchestra of Belgium Newell's Old Boys, a professional football club in Rosario, Argentina Nederlandse Onderwatersport Bond (Dutch Underwater Federation), the Netherlands skin-diving association Estrada de Ferro Nor Oeste do Brasil, former railway company in Brazil (see Rail transport in Brazil) Nord-Ostsee-Bahn, a German railway company NOB, IATA code for Nosara Airport in Costa Rica Schweizerische Nord Ost Bahn (Swiss Northeastern Railway( (1853–1902), a former Swiss railway company Narodno oslobodilačka borba ("National Liberation War"), name for World War II in Yugoslavia Nitrite-oxidizing bacteria, alternate term for nitrifying bacteria Name on Back of team jerseys, see Name (sports) See also Nob (disambiguation) Knob (disambiguation)