O Full Forms — All Acronyms & Abbreviations Starting with O

#1

OBC Other Backward Class

Society 74K

#2

OCD Obsessive Compulsive Disorder

Medical 165K

#3

OCI Overseas Citizen of India

Government 27K

#4

OCR Optical Character Recognition

Technology 41K

#5

ODI One Day International

Sports 33K

#6

ODR On Demand Registration

Transport 2K

#7

OECD Organisation for Economic Co operation and Development

International 22K

#8

OEM Original Equipment Manufacturer

Business 61K

#9

OFC Optical Fiber Cable

Technology 22K

#10

OG Original Gangster

Slang 165K

#11

OK Oll Korrect

General 110K

#12

OMR Optical Mark Recognition

Technology 33K

#13

ONGC Oil and Natural Gas Corporation

Business 22K

#14

OP Out Patient

Medical 22K

#15

OPD Out Patient Department

Medical 135K

#16

OPEC Organization of the Petroleum Exporting Countries

International 15K

#17

ORS Oral Rehydration Solution

Medical 50K

#18

OSD Officer on Special Duty

Government 33K

#19

OST Original Sound Track

General 18K

#20

OT Operation Theatre

Medical 22K

#21

OTC Over the Counter

Medical 18K

#22

OTG On The Go

Technology 33K

#23

OTP One Time Password

Technology 27K

#24

OTR One Time Registration / On The Road

General 27K

#25

OTT Over The Top

Entertainment 74K

#26

OVD Officially Valid Document

Government 27K

#27

OYO On Your Own

Business 33K

Letter O Full Forms