CE, CEI, EAPC, EBRD, FAO, IAEA, IBRD, ICAO, ICC (NGOs), ICCt, ICRM, IDA, IFC, IFRCS, IHO, ILO, IMF, IMO, IMSO, Interpol, IOC, IOM, IPU, ISO (correspondent), ITSO, ITU, ITUC (NGOs), MIGA, NATO, OAS (observer), OIF (observer), OPCW, OSCE, PCA, PFP, SELEC, UN, UNCTAD, UNESCO, UNHCR, UNHRC, UNIDO, UNWTO, UPU, WCO, WHO, WIPO, WMO, WTO
note: Montenegro is an EU candidate country whose satisfactory completion of accession criteria is required before being granted full EU membership