The list of united states acronyms and abbreviations.

All united states related acronyms and abbreviations.

Stands For|1Abbreviated As|4Related|1.4k

1,480 entry under topic. ×

157
NASA:
National Aeronautics and Space Administration(Space exploration)
37
NSF:
National Science Foundation(Geological, Geology, Foundation)
11
IEEE:
Institute of Electrical and Electronics Engineers(Computer technology)
8
AIAA:
American Institute of Aeronautics and Astronautics
7
ACM:
Association for Computing Machinery(University organization)
7
NAS:
National Academy of Sciences(Academy, Natural Science, University)
6
NBS:
National Bureau of Standards(Mechanical sealing, Sealing, Environment)
5
ASCE:
American Society of Civil Engineers(Civil Engineering)
5
SAE:
Society of Automotive Engineers(Books, Mechanical sealing, Sealing)
2
ADA:
American Diabetes Association(Physiology, Pathology, Health Care)
1
ACLU:
American Civil Liberties Union(Political, MEDIA, Politics)
1
CEC:
Council for Exceptional Children(Educational and health, Ontario)
1
NAACP:
National Association for the Advancement of Colored People
0
ΣΤΔ:
Sigma Tau Delta English Honor Society(Student organization)
0
ΣΑΛ:
Sigma Alpha Lambda(Student organization)
0
ΣΔ:
Sigma Delta(Student organization, University organization)
0
ΦΑΔ:
Phi Alpha Delta(Student organization, University organization)
0
ΨΦ:
Psi Phi(Student organization, University organization, United States)
0
ΘΤ:
Theta Tau(Student organization, University organization, United States)
0
ΑΧΣ:
Alpha Chi Sigma(Student organization, University organization)
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APASmart Define. (2018). united states. Retrieved September 29, 2026, from http://smartdefine.org/united_states/abbreviations/r/Organization
ChicagoSmart Define. 2018. "united states" http://smartdefine.org/united_states/abbreviations/r/Organization (accessed September 29, 2026).
HarvardSmart Define 2018, united states, Smart Define, viewed 29 September, 2026, <http://smartdefine.org/united_states/abbreviations/r/Organization>.
MLASmart Define. "united states" 31 January 2018. Web. 29 September 2026. <http://smartdefine.org/united_states/abbreviations/r/Organization>