IBCCA
[アルファベット] ; International Bathymetric Chart of the Caribbean Sea and Gulf of Mexico (IOC) ; 国際カリブ海メキシコ湾海底地形図
IBCEA
[アルファベット] ; International Bathymetric Chart of the Central Eastern Atlantic (IOC) ; 国際中央東部大西洋海底地形図
IBCM
[アルファベット] ; International Bathymetric Chart of the Mediterranean (IOC) ; 国際地中海海底地形図
IBCRSGA
[アルファベット] ; International Bathymetric Chart of the Red Sea & Gulf of Aden (IOC) ; 国際紅海アデン湾海底地形図
IBCWIO
[アルファベット] ; International Bathymetric Chart of the Western Indian Ocean (IOC) ; 国際西インド洋海底地形図
IBCWP
[アルファベット] ; International Bathymetric Chart of the Western Pacific IOC) ; 国際西太平洋海底地形図
IBN
[ ] ; International Biosciences Network ;
IBP
[ ] ; Institute of Biology and Pedology ;
IBP
[アルファベット] ; International Biological Programme (IUCN) ; 国際生物学事業計画
IBPGR
[ ] ; International Board for Plant Genetic Resources ;
IBPIO
[ ] ; International Buoy Programme for the Indian Ocean ;
IBRD
[アルファベット] ; International Bank for Reconstruction & Development (UN) ; 国際復興開発銀行(通称 ; 世界銀行)
IBSFC
[ ] ; International Baltic Sea Fishery Commission ; バルチック海国際漁業委員会
IBSNAT
[ ] ; International Benchmark Sites Network for Agrotechnology Transfer ;
IBSS
[ ] ; Institute of Biology of the Southem Seas ;
IBWM
[アルファベット] ; International Bureau of Weights & Measures ; 国際度量衡局
IBY
[ ] ; International Baltic Year (ICES-CBO,1969) ;
ICA
[アルファベット] ; International Cartographic Association (ICU) ; 国際地図学会
lCA
[ ] ; International Communication Association ; 国際通信協会
ICA
[ ] ; International Council of Archives ;
ICA
[ ] ; ISCCP Central Archive ;
ICACGP
[ ] ; International Commission on Atmospheric Chemistry and Global Pollution (IAMAS) ;
ICAM
[ ] ; Integrated Coastal Areas Management (GIPME/IOC) ;
ICANN
[ ] ; Internet Corporation for Assigned Names and Numbers ;
ICAO
[あいカオ] ; International Civil Aviation Organization ; 国際民間航空機関
ICAPOP
[ ] ; Image/Cloud/Aerosol Product Oversight Panel (NESDIS) ;
ICAR
[ ] ; Indian Council of Agricultural Research ;
ICARDA
[ ] ; International Centre for Agricultural Research in the Dry Areas ;
ICB
[アルファベット] ; International Container Bureau ; 国際コンテナ協会
ICBM
[アルファベット] ; Intercontinental Ballistic Missile ; 大陸間弾道弾
ICBP
[ ] ; International Council for Bird Preservation ; 国際鳥類保存会議
ICC
[ ] ; International Color Consortium ;
ICCAT
[ ] ; International Commission for the Conservation of Atlantic Tunas ; 大西洋マグロ類保護国際委員会
ICCD
[ ] ; International Convention to Combat Desertification ;
ICCL
[ ] ; International Council of Cruise Lines (USA) ;
ICCM
[ ] ; Instituto Canario de Cienceas Marinas (Spain) ;
ICCOPS
[ ] ; International Center for Coastal and Ocean Policy Studies ; 国際沿岸海洋政策研究センター
ICCORES
[ ] ; International Coordinating Committee on Reservoir Sedimentation ;
ICEIDA
[ ] ; Icelandic International Development Agency ;
ICEL
[ ] ; International Council of Environmental Law ;
ICES
[あいセス] ; International Council for thc Exploration of thc Sea ; 国際海洋探査協議会
ICEX
[ ] ; Ice and Climate Experiment ;
ICG
[アルファベット] ; Inter-Union Commission on Geodynamics (IUGG/IUGS) ; 地球内部ダイナミックス連合間委員会
ICG
[アルファベット] ; International Coordinating Group (ITSU or IOC) ; 国際調整グループ
ICG
[アルファベット] ; IOC Committee for GOOS ; IOC-GOOS委員会
ICG‐ITSU
[ ] ; International Coordination Group for the Tsunami Warning System in the Pacific (IOC) ;
ICGEB
[ ] ; International Centre for Genetic Engineering and Biotechnology (UNIDO) ;
ICGEC
[ ] ; Interagency Committee on Global Environmental Change (UK) ;