101 Most Popular Full Forms Everyone Should Know in 2026
Here is the ultimate list of the 101 most searched and used full forms in daily life, exams (SSC, UPSC, Banking), WhatsApp chats, Instagram, and jobs.
| No. | Short Form | Full Form |
|---|---|---|
| 1 | OK | Oll Korrect (All Correct) |
| 2 | WHO | World Health Organization |
| 3 | UNESCO | United Nations Educational, Scientific and Cultural Organization |
| 4 | UNICEF | United Nations International Children’s Emergency Fund |
| 5 | NASA | National Aeronautics and Space Administration |
| 6 | ISRO | Indian Space Research Organisation |
| 7 | CEO | Chief Executive Officer |
| 8 | CFO | Chief Financial Officer |
| 9 | CTO | Chief Technology Officer |
| 10 | HR | Human Resources |
| 11 | IT | Information Technology |
| 12 | AI | Artificial Intelligence |
| 13 | ML | Machine Learning |
| 14 | DL | Deep Learning |
| 15 | PhD | Doctor of Philosophy |
| 16 | MBBS | Bachelor of Medicine, Bachelor of Surgery |
| 17 | MD | Doctor of Medicine |
| 18 | BMW | Bayerische Motoren Werke (Bavarian Motor Works) |
| 19 | Audi | From Latin “Audio” (I hear) – founded by August Horch |
| 20 | AM | Ante Meridiem (Before Noon) |
| 21 | PM | Post Meridiem (After Noon) |
| 22 | WIFI | Wireless Fidelity |
| 23 | GPS | Global Positioning System |
| 24 | HTTP | HyperText Transfer Protocol |
| 25 | HTTPS | HyperText Transfer Protocol Secure |
| 26 | URL | Uniform Resource Locator |
| 27 | IP | Internet Protocol |
| 28 | DNA | Deoxyribonucleic Acid |
| 29 | RNA | Ribonucleic Acid |
| 30 | HTML | HyperText Markup Language |
| 31 | CSS | Cascading Style Sheets |
| 32 | JS | JavaScript |
| 33 | CEO | Chief Executive Officer |
| 34 | COO | Chief Operating Officer |
| 35 | CBI | Central Bureau of Investigation |
| 36 | CID | Crime Investigation Department |
| 37 | IAS | Indian Administrative Service |
| 38 | IPS | Indian Police Service |
| 39 | IFS | Indian Foreign Service |
| 40 | IRS | Indian Revenue Service |
| 41 | SSC | Staff Selection Commission |
| 42 | UPSC | Union Public Service Commission |
| 43 | NEET | National Eligibility cum Entrance Test |
| 44 | JEE | Joint Entrance Examination |
| 45 | GATE | Graduate Aptitude Test in Engineering |
| 46 | CAT | Common Admission Test |
| 47 | ATM | Automated Teller Machine |
| 48 | PAN | Permanent Account Number |
| 49 | Aadhaar | Unique Identification Number (UIDAI) |
| 50 | GST | Goods and Services Tax |
| 51 | IPL | Indian Premier League |
| 52 | BCCI | Board of Control for Cricket in India |
| 53 | ICC | International Cricket Council |
| 54 | FIFA | Fédération Internationale de Football Association |
| 55 | IOC | International Olympic Committee |
| 56 | RAM | Random Access Memory |
| 57 | ROM | Read Only Memory |
| 58 | CPU | Central Processing Unit |
| 59 | GPU | Graphics Processing Unit |
| 60 | OTP | One Time Password |
| 61 | KYC | Know Your Customer |
| 62 | EMI | Equated Monthly Installment |
| 63 | IFSC | Indian Financial System Code |
| 64 | NEFT | National Electronic Funds Transfer |
| 65 | RTGS | Real Time Gross Settlement |
| 66 | IMPS | Immediate Payment Service |
| 67 | UPI | Unified Payments Interface |
| 68 | CEO | Chief Executive Officer |
| 69 | PFA | Please Find Attachment |
| 70 | ASAP | As Soon As Possible |
| 71 | BTW | By The Way |
| 72 | LOL | Laugh Out Loud |
| 73 | BRB | Be Right Back |
| 74 | OMG | Oh My God |
| 75 | TBH | To Be Honest |
| 76 | IMO | In My Opinion |
| 77 | IMHO | In My Humble Opinion |
| 78 | ROFL | Rolling On Floor Laughing |
| 79 | SMH | Shaking My Head |
| 80 | FYI | For Your Information |
| 81 | TMI | Too Much Information |
| 82 | NSFW | Not Safe For Work |
| 83 | CEO | Chief Executive Officer |
| 84 | VIP | Very Important Person |
| 85 | DIY | Do It Yourself |
| 86 | FAQ | Frequently Asked Questions |
| 87 | TBA | To Be Announced |
| 88 | TBC | To Be Confirmed |
| 89 | ETA | Estimated Time of Arrival |
| 90 | EOD | End Of Day |
| 91 | SOS | Save Our Souls / Help |
| 92 | RSVP | Répondez S’il Vous Plaît (Please Respond) |
| 93 | AKA | Also Known As |
| 94 | DOB | Date Of Birth |
| 95 | POV | Point Of View |
| 96 | OO | Out of Office |
| 97 | OOO | Out of Office |
| 98 | WFH | Work From Home |
| 99 | PTO | Paid Time Off |
| 100 | CEO | Chief Executive Officer |
| 101 | GOAT | Greatest Of All Time |
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