美过大片以及美国电视剧看多了之后就会发现美剧中有大量的政府部门的缩写或者简写，常用的FBI，CIA，NSA，NASA，CDC之类的我们可能知道，但大多数简写还是一头雾水。
无意间在网上发现一个比较全面的总结，故摘录，以备学习之用。
AARCC Alternative Agricultural Research and Commercialization Corporation
ABMC American Battle Monuments Commission
ACF Administration for Children and Families
ACYF Administration on Children, Youth, and Families
ADA Americans with Disabilities Act of 1990
ADB Asian Development Bank
ADD Administration on Developmental Disabilities
AFAA Air Force Audit Agency
AFDB African Development Bank
AFDC Aid to Families with Dependent Children
AFDF African Development Fund
AFSC Armed Forces Staff College
AGRICOLA Agricultural Online Access
AHCPR Agency for Health Care Policy and Research
NCCC AmeriCorps*National Civilian Community Corps
AMS Agricultural Marketing Service
Amtrak National Railroad Passenger Corporation
ANA Administration for Native Americans
AOA Administration on Aging
APHIS Animal and Plant Health Inspection Service
ARC Appalachian Regional Commission
ARS Agricultural Research Service
ATF Bureau of Alcohol, Tobacco, and Firearms
ATSDR Agency for Toxic Substances and Disease Registry
BEA Bureau of Economic Analysis
BIA Bureau of Indian Affairs
BIC Business Information Center (SBA)
BJA Bureau of Justice Assistance
BJS Bureau of Justice Statistics
BLM Bureau of Land Management
BLS Bureau of Labor Statistics
BTS Bureau of Transportation Statistics
BVA Board of Veterans' Appeals
C3I Command, Control, Communications, and Intelligence
C4 Command, Control, Communications, and Computers
C4I Command, Control, Communications, Computers, and Intelligence
CBO Congressional Budget Office
CCC Commodity Credit Corporation
CDBG Community Development Block Grant
CDC Centers for Disease Control and Prevention
CEA Council of Economic Advisers
CEOS Child Exploitation and Obscenity Section (Justice)
CEQ Council on Environmental Quality
CFA Commission of Fine Arts
CFR Code of Federal Regulations
CFTC Commodity Futures Trading Commission
CIA Central Intelligence Agency
CITES Convention on International Trade in Endangered Species
of Wild Fauna and Flora
CNO Chief of Naval Operations
COPS Office of Community Oriented Policing Services (Justice)
CPSC Consumer Product Safety Commission
CRS Congressional Research Service
CSAP Center for Substance Abuse Prevention
CSAT Center for Substance Abuse Treatment
CSB Chemical Safety and Hazard Investigation Board
CSE Office of Child Support Enforcement
CSREES Cooperative State Research, Education, and Extension Service
CSS Central Security Service
DA Department of the Army
DARPA Defense Advanced Research Projects Agency
DCAA Defense Contract Audit Agency
DCMC Defense Contract Management Command
DEA Drug Enforcement Administration
DIA Defense Intelligence Agency
DISA Defense Information Systems Agency
DLA Defense Logistics Agency
DLSA Defense Legal Services Agency
DOC Department of Commerce
DOD Department of Defense
DOE Department of Energy
DOL Department of Labor
DOT Department of Transportation
DSCA Defense Security Cooperation Agency
DSS Defense Security Service
DTRA Defense Threat Reduction Agency
EDA Economic Development Administration
EEOC Equal Employment Opportunity Commission
EO Executive order
EOUSA Executive Office for United States Attorneys
EPA Environmental Protection Agency
ERS Economic Research Service
Ex-Im Bank Export-Import Bank of the United States
FAA Federal Aviation Administration
Fannie Mae Federal National Mortgage Association
Farmer Mac Federal Agricultural Mortgage Corporation
FAS Foreign Agricultural Service
FBI Federal Bureau of Investigation
FCC Federal Communications Commission
FDA Food and Drug Administration
FDIC Federal Deposit Insurance Corporation
FEB's Federal Executive Boards
FEC Federal Election Commission
FEMA Federal Emergency Management Agency
FERC Federal Energy Regulatory Commission
FFB Federal Financing Bank
FHA Federal Housing Administration
FHWA Federal Highway Administration
FIA Federal Insurance Administration
FICO Financing Corporation
FLRA Federal Labor Relations Authority
FMC Federal Maritime Commission
FMCS Federal Mediation and Conciliation Service
FMS Financial Management Service
FNCS Food, Nutrition, and Consumer Services
FNMA Federal National Mortgage Association
FNS Food and Nutrition Service
FOIA Freedom of Information Act
FR Federal Register
FRS Federal Reserve System
FSA Farm Service Agency
FSIS Food Safety and Inspection Service
FSS Federal Supply Service
FTC Federal Trade Commission
FWS Fish and Wildlife Service
GAO General Accounting Office
GATT General Agreement on Tariffs and Trade
Ginnie Mae Government National Mortgage Association
GIPSA Grain Inspection, Packers, and Stockyards Administration
GNMA Government National Mortgage Association
GPO Government Printing Office
GSA General Services Administration
HCFA Health Care Financing Administration
HHS Department of Health and Human Services
HRSA Health Resources and Services Administration
HUD Department of Housing and Urban Development
HUMINT Defense Human Intelligence Service
IAF Inter-American Foundation
IBRD International Bank for Reconstruction and Development
IDB Inter-American Development Bank
IFC International Finance Corporation
IHA's Indian Housing Authorities
IHS Indian Health Service
ILAB Bureau of International Labor Affairs
ILO International Labor Organization
IMF International Monetary Fund
IMLS Institute of Museum and Library Services
INS Immigration and Naturalization Service
INTERPOL International Criminal Police Organization
IOM International Organization for Migration
IRMC Information Resources Management College
IRS Internal Revenue Service
ISOO Information Security Oversight Office
ITA International Trade Administration
JAG Judge Advocate General
JCS Joint Chiefs of Staff
LMI Office of One-Stop/Labor Market Information (Labor)
MA Maritime Administration
MASINT Central Measurement and Signals Intelligence Office
MBDA Minority Business Development Agency
MIGA Multilateral Investment Guarantee Agency
MMS Minerals Management Service
MSHA Mine Safety and Health Administration
MSPB Merit Systems Protection Board
NARA National Archives and Records Administration
NASA National Aeronautics and Space Administration
NASS National Agricultural Statistics Service
NATO North Atlantic Treaty Organization
NCA National Cemetery Administration
NCPC National Capital Planning Commission
NCRR National Center for Research Resources
NCUA National Credit Union Administration
NEA National Endowment for the Arts
NEH National Endowment for the Humanities
NHI National Highway Institute
NHPRC National Historical Publications and Records Commission
NHTSA National Highway Traffic Safety Administration
NIH National Institutes of Health
NIJ National Institute of Justice
NIMA National Imagery and Mapping Agency
NIMH National Institute of Mental Health
NIST National Institute of Standards and Technology
NLM National Library of Medicine
NLRB National Labor Relations Board
NOAA National Oceanic and Atmospheric Administration
NPS National Park Service
NRC Nuclear Regulatory Commission
NRCS Natural Resources Conservation Service
NSA National Security Agency
NSC National Security Council
NSF National Science Foundation
NTIA National Telecommunications and Information Administration
NTID National Technical Institute for the Deaf
NTIS National Technical Information Service (Commerce)
NTSB National Transportation Safety Board
OAS Organization of American States
OCS Officer Candidate School
OECD Organization for Economic Cooperation and Development
OGE Office of Government Ethics
OMB Office of Management and Budget
OPIC Overseas Private Investment Corporation
OPM Office of Personnel Management
ORR Office of Refugee Resettlement
OSC Office of Special Counsel
OSDBU Office of Small and Disadvantaged Business Utilization (Commerce)
OSHA Occupational Safety and Health Administration
OSHRC Occupational Safety and Health Review Commission
OSM Office of Surface Mining Reclamation and Enforcement
OTS Office of Thrift Supervision
OWBO Office of Women's Business Ownership
PBGC Pension Benefit Guaranty Corporation
PBS Public Buildings Service
PHA's Public Housing Agencies
PHS Public Health Service
POW/MP Prisoner of War/Missing Personnel
PRC Postal Rate Commission
PSC Program Support Center (Health and Human Services)
PTO Patent and Trademark Office
PWBA Pension and Welfare Benefits Administration
RHS Rural Housing Service
RICO Racketeer Influenced and Corrupt Organizations
RIT Rochester Institute of Technology
RMA Risk Management Agency (Agriculture)
ROTC Reserve Officer Training Corps
RRB Railroad Retirement Board
RSPA Research and Special Programs Administration (Transportation)
RTB Rural Telephone Bank
RUS Rural Utilities Service
SAIF Savings Association Insurance Fund
SAMHSA Substance Abuse and Mental Health Services Administration
SBA Small Business Administration
SEC Securities and Exchange Commission
SITES Smithsonian Institution Traveling Exhibition Service
SSA Social Security Administration
SSI Supplemental Security Income Program
SSS Selective Service System
START Strategic Arms Reduction Treaty
Stat. United States Statutes at Large
TASC Transportation Administrative Service Center
TDA Trade and Development Agency
TPCC Trade Promotion Coordinating Committee
TVA Tennessee Valley Authority
U.N. United Nations\1\
UNESCO United Nations Educational, Scientific and Cultural Organization
UNHCR United Nations High Commissioner for Refugees Program
UNICEF United Nations Children's Fund (formerly United Nations
International Children's Emergency Fund)
UNICOR Federal Prison Industries, Inc.
USA United States Army
USAF United States Air Force
USAID United States Agency for International Development
U.S.C. United States Code
USCG United States Coast Guard
USDA United States Department of Agriculture
USFA United States Fire Administration
USGS United States Geological Survey
USITC United States International Trade Commission
USMC United States Marine Corps
USN United States Navy
VA Department of Veterans Affairs
VISTA Volunteers in Service to America
VOA Voice of America
WHO World Health Organization
WIC Special supplemental food program for Women, Infants and Children
WNET Women's Network for Entrepreneurial Training (SBA)
WTO World Trade Organization
YCC Youth Conservation Corps
from uta.fi
常见的也就那么几个
补充一个：AFIO – Association of Former Intelligence Officers （死丫的占我ID资源，其实我的Afio真的是自取的…后来才发现跟它重名了，所以Twitter什么的都是Afios…）
@Afio, 难怪你下一下就能反应过来AFIO的全称。
发现我就知道NASA FBI CIA..美剧啊
要是有中文翻译就更好了
@ifenwen, 懒得翻译，自认为大部分人看到全称后都能看懂。
以前知道NASA FBI CIA，看美剧过后还知道个NYPD（纽约警察局）
@SErHo, 嗯，还有LAPD也是很常见的。
好长一段英文
去美国的话那用得着。先收藏。