| Acronym | Definition |
|---|
| PKA➣Previously Known As |
| PKA➣Protein Kinase A |
| PKA➣Ionization Constant (chemistry, kinetics) |
| PKA➣Painkiller Already |
| PKA➣Professional Karate Association |
| PKA➣Pi Kappa Alpha (fraternity) |
| PKA➣Public Key Authentication (computing) |
| PKA➣Private Key Access |
| PKA➣Primary Key Attribute |
| PKA➣Public Key Authentication |
| PKA➣Pohjois-Karjala (Finland) |
| PKA➣Public Key Algorithm |
| PKA➣Professionally Known As |
| PKA➣Primary Knock-on Atom |
| PKA➣Philip Koether Architects (est. 1994) |
| PKA➣Public Key Authority |
| PKA➣Negative Log of Ka |
| PKA➣Professional Karate Academy (Red Bank, New Jersey, USA) |
| PKA➣Penalty Kick Goals Allowed (soccer) |
| PKA➣Philippine Kendo Association (Philippines) |
| PKA➣Paul Kagan Associates, LTD |
| PKA➣Pääkirjaston Aikuisten Osasto (Finnish) |