| S.No. | Short Form | Full Form | Country | Popularity |
| 1 |
CM |
Chief Minister |
Worldwide |
|
| 2 |
CAG |
Comptroller and Auditor General |
Worldwide |
|
| 3 |
MLA |
Member of Legislative Assembly |
India |
|
| 4 |
ATP |
Airline Transport Pilot Certificate |
United States |
|
| 5 |
CAO |
Chief Administrative Officer |
Worldwide |
|
| 6 |
IG |
Inspector General |
Worldwide |
|
| 7 |
MG |
Major General |
Worldwide |
|
| 8 |
SOPA |
Senior Officer Present Afloat |
United States |
|
| 9 |
KAS |
Karnataka Administrative Service |
India |
|
| 10 |
REM |
Resource Efficiency Manager |
United States |
|
| 11 |
NOC |
Non-Official Cover |
Worldwide |
|
| 12 |
MP |
Member of Parliament |
Worldwide |
|
| 13 |
DCO |
District Coordination Officer |
Pakistan |
|
| 14 |
DCO |
Direct Commission Officer |
United States |
|
| 15 |
DC |
Deputy Commissioner |
India |
|
| 16 |
BBM |
Bintang Bakti Masyarakat |
Singapore |
|
| 17 |
DM |
District Magistrate |
India |
|
| 18 |
ITO |
Income Tax Officer |
India |
|
| 19 |
ASM |
Assistant Station Master |
India |
|
| 20 |
CMO |
Chief Medical Officer |
Worldwide |
|
| 21 |
AO |
Assessing Officer |
India |
|
| 22 |
LDC |
Lower Division Clerk |
India |
|
| 23 |
ALP |
Assistant Loco Pilot |
India |
|
| 24 |
EA |
Enrolled Agent |
United States |
|
| 25 |
PCCF |
Principal Chief Conservator of Forests |
India |
|
| 26 |
CDS |
Chief of the Defence Staff |
United Kingdom |
|
| 27 |
CDS |
Chief of the Defence Staff |
Sri Lanka |
|
| 28 |
CDS |
Chief of the Defence Staff |
Canada |
|
| 29 |
CDS |
Chief of the Defence Staff |
France |
|
| 30 |
CDS |
Chief of the Defence Staff |
Ghana |
|
| 31 |
CDS |
Chief of Defence Staff |
Nigeria |
|
| 32 |
SDM |
Sub Divisional Magistrate |
India |
|
| 33 |
AOC |
Air Officer Commanding |
Worldwide |
|
| 34 |
PM |
Prime Minister |
Worldwide |
|
| 35 |
CEO |
Chief Electoral Officer |
Canada |
|
| 36 |
ACM |
Air Chief Marshal |
Worldwide |
|
| 37 |
Cpl |
Corporal |
Worldwide |
|
| 38 |
CS |
Chief Secretary |
Worldwide |
|
| 39 |
DAC |
Deputy Assistant Commissioner |
United Kingdom |
|
| 40 |
PMG |
PostMaster General |
Worldwide |
|
| 41 |
MSP |
Member of the Scottish Parliament |
United Kingdom |
|
| 42 |
AVM |
Air Vice-Marshal |
Worldwide |
|
| 43 |
AEO |
Assistant Educational Officer |
India |
|
| 44 |
DEO |
Direct Entry Officer |
Worldwide |
|
| 45 |
DEO |
District Educational Officer |
India |
|
| 46 |
SES |
Senior Executive Service |
United States |
|
| 47 |
BLO |
Booth Level Officer |
India |
|
| 48 |
SOR |
Special Officer Revenue |
India |
|
| 49 |
MEP |
Member of the European Parliament |
European Union |
|
| 50 |
DPM |
Deputy Prime Minister |
Worldwide |
|
| 51 |
DlCO |
Divisional Cooperative Officer |
India |
|
| 52 |
DCO |
District Cooperative Officer |
India |
|
| 53 |
BEO |
Block Education Officer |
India |
|
| 54 |
LC |
Letter Carrier |
Canada |
|
| 55 |
RDO |
Revenue Divisional Officer |
India |
|
| 56 |
MM |
Minister Mentor |
Singapore |
|
| 57 |
PURA |
Public Utilities Regulatory Analyst |
Worldwide |
|
| 58 |
SCAP |
Supreme Commander for the Allied Powers |
Japan |
|
| 59 |
IVAO |
Installation Voting Assistance Officer |
United States |
|
| 60 |
GG |
Governor General |
Worldwide |
|
| 61 |
SO |
Station Officer |
Worldwide |
|
| 62 |
MK |
Machinery Technician |
United States |
|
| 63 |
CPO |
Chief Performance Officer |
United States |
|
| 64 |
HM |
His/Her Majesty |
Worldwide |
|
| 65 |
CEO |
Chief Electoral Officer |
India |
|
| 66 |
Cdr |
Commander |
Worldwide |
|
| 67 |
Dy |
Deputy |
Worldwide |
|
| 68 |
ROC |
Registrar of Companies |
United Kingdom |
|
| 69 |
CCA |
Chief Controller Of Accounts |
India |
|
| 70 |
POTUS |
President Of The United States |
United States |
|
| 71 |
VPOTUS |
Vice President of the United States |
United States |
|
| 72 |
FLOTUS |
First Lady of the United States |
United States |
|
| 73 |
CSO |
Community Service Officer |
Worldwide |
|
| 74 |
CSO |
Court Security Officer |
Worldwide |
|
| 75 |
DIG |
Deputy Inspector General of Prisons |
Worldwide |
|
| 76 |
Sen |
Senator |
Worldwide |
|