| NCAA | National Celebrity Annoying Association 
| Others |
| NCAA | National Clinical Assessment Authority (NCAS)
| Others |
| NCAA | National Coalition of Athletics and Academics
| Others |
| NCAA | National College Athletic Association
| Others |
| NCAA | National Collegiate Athletic Association
| Others |
| NCAA | National Collegiate Athletics Association
| Others |
| NCAA | National Command Authority Aircraft - 747
| Others |
| NCAA | National Committee Against Alabama
| Others |
| NCAA | National Communists Against Athletes
| Others |
| NCAA | National Conspiracy Against Alabama
| Others |
| NCAA | National Conspiracy Against Athletes
| Others |
| NCAA | National Council of Athletic Ayatollahs
| Others |
| NCAA | NATO Civil Air Augmentation
| Others |
| NCAA | Never Convicted Arrested Athletes
| Others |
| NCAA | Newsmax Com Article Archives
| Others |
| NCAA | Nigerian Civil Aviation Authority
| Others |
| NCAA | Nipple Campaign Across America
| Others |
| NCAA | No Chance At Admission
| Others |
| NCAA | No Class At All
| Others |
| NCAA | No Classes At All
| Others |
| NCAA | No Clue About Anything
| Others |
| NCAA | No Clue About Athletics
| Others |
| NCAA | No Clue At All
| Others |
| NCAA | No Clues At All
| Others |
| NCAA | No Cojones At All
| Others |
| NCAA | No Coupon At All
| Others |
| NCAA | No one Can Avoid Arizona
| Others |
| NCAA | Nobody Cares About Athletes
| Others |
| NCAA | Non Caring Arrogant Aristocrats
| Others |
| NCAA | Non Communicative Adult Addicts
| Others |
| NCAA | Non-stop Compilation of Annoying Advertisements
| Others |
| NCAA | North Atlantic Treaty Organization (NATO) Civil Airlift Agency
| Others |
| NCAA | Not Caring About Anything
| Others |
| NCAA | Not Caring for All Athletes
| Others |
| NCAA | Not Counting At All
| Others |