Siasa ya Nigeria
Nigeria ni mwanachama wa ACP, AfDB, C, ECA, AU ECOWAS, FAO, G-15, G-19, G-24, G-77, IAEA, IBRD, ICAO, ICCt, ICC, ICRM, IDA, IFAD, IFC , IFRCS, iho, ILO, IMF, IMO, Inmarsat, Intelsat, Interpol, Ìöç, ISO, ITU, MINURSO, NAM, OPCW, OPEC, PCA, UN, UNCTAD, UNESCO, UNHCR, UNIDO, UNIKOM, UNITAR, UNMIBH, UNMIK , UNMOP, UNMOT, UNU, UPU, WCL, WCO, EFTU, WHO, WIPO, WMO, WToO, WTrO