| Rank | Abbreviation | Meaning |
|---|
| ***** | BTCA | Blow Torch Collectors Association
| |
| **** | BTCA | Boston Terrier Club of American
| |
| *** | BTCA | Bull Terrier Club of America
| |
| *** | BTCA | Botswana Tamil Cultural Association
| |
| ** | BTCA | Banks and Trust Companies Act of 1990
| |
| ** | BTCA | Bull Terrier Club of America's
| |
| ** | BTCA | Boston Terrier Club of America
| |
| ** | BTCA | Be the Change Award
| |
| ** | BTCA | British Tobacco Company Australia
| |
| * | BTCA | British Tennis Coaches' Association, Ltd.
| |
| * | BTCA | Bombay Tiffin Carriers Association
| |
| * | BTCA | British Tennis Coaches Association
| |
| * | BTCA | biliary tract carcinoma
| |
| * | BTCA | Bernard Terrace Civic Association
| |
| * | BTCA | Border Terrier Club of America
| |
| * | BTCA | Biewer Terrier Club of America
| |
| * | BTCA | Best Technology Currently Available
| |
| * | BTCA | Basic Tables of Commissioning Allowances
| |
| * | BTCA | Bay Terrace Community Alliance
| |
| * | BTCA | Bedlington Terrier Club of America
| |
| * | BTCA | Best technologies currently available
| |
| * | BTCA | Big Tits Curvey Asses
| |
| * | BTCA | Baltic Tuning Car Association
| |
| * | BTCA | Bodoland Territorial Council Areas
| |
| * | BTCA | Burning Tip of Conscious Awareness
| |