| BKA | Backwards Knee Alien 
| Others |
| BKA | BadyKinin Antagonist
| Others |
| BKA | Baker Kavanagh Architects
| Others |
| BKA | Barkley Kalpak Agency
| Others |
| BKA | Batched Key Access
| Others |
| BKA | Be Kick Arse
| Others |
| BKA | Be Kind Always
| Others |
| BKA | Belorusskije Klub Avtomototurizma
| Others |
| BKA | Below Knee Amputation
| Others |
| BKA | Below the Knee Amputation
| Others |
| BKA | Berliner Kabaret Anstalt
| Others |
| BKA | Best Kill Award
| Others |
| BKA | Best Known As
| Others |
| BKA | Better Known As
| Others |
| BKA | Big Kock Adventure
| Others |
| BKA | Bilateral Knee Arthroplasty
| Others |
| BKA | Boere Krisis Aksie
| Others |
| BKA | Boston Korean Adoptees
| Others |
| BKA | Brandess Kalt Aetna
| Others |
| BKA | British Karate Association
| Others |
| BKA | British Keelboat Academy
| Others |
| BKA | British Kendama Association
| Others |
| BKA | British Kendo Association
| Others |
| BKA | British Kodaly Adacemy
| Others |
| BKA | British Korfball Association
| Others |
| BKA | Broadway Kids Academy
| Others |
| BKA | Bryant Katt Associates
| Others |
| BKA | Bundes Kriminal Amt
| Others |
| BKA | BundesKriminalAmt (Federal Criminal Office)
| Others |
| BKA | Burger King Adventure
| Others |
| BKA | Buy Keyword Articles
| Others |
| BKA | Bykovo, Russia
| Others |