| PKA | Napaskiak Airport, Napaskiak, Alaska USA 
| Others |
| PKA | Para Karting Association
| Others |
| PKA | Passenger Knee Airbag
| Others |
| PKA | Patricia Keller Agency
| Others |
| PKA | Paul Kagan Associates
| Others |
| PKA | Pequawket Kids Association
| Others |
| PKA | Perseverance Knowledge Action
| Others |
| PKA | Peter Knowland Associates
| Others |
| PKA | Philippines Kiteboarding Association
| Others |
| PKA | PKArc Compressed file archive
| Others |
| PKA | Player Killers Anonymous
| Others |
| PKA | Port Klang Authority
| Others |
| PKA | Portland Karting Association
| Others |
| PKA | PreKallikrein Activator
| Others |
| PKA | Premiere Karting Association
| Others |
| PKA | Previously Known As
| Others |
| PKA | Primary Key Attribute
| Others |
| PKA | Primary Knock on Atom
| Others |
| PKA | Private Key Access
| Others |
| PKA | Professional Karate Association
| Others |
| PKA | Professional Karting Association
| Others |
| PKA | Professional Kickboxing Association
| Others |
| PKA | Professionally Known As
| Others |
| PKA | Prom Krog and Altstiel
| Others |
| PKA | Protein Kinase
| Others |
| PKA | Protein Kinase A
| Others |
| PKA | protein kinase A also
| Others |
| PKA | Public Key Algorithm
| Others |
| PKA | Public Key Announce
| Others |
| PKA | Public Key Authentication
| Others |
| PKA | Public Key Authority
| Others |