HKA
| Acronym | Definition |
|---|---|
| HKA | Hazaaron Khwaishein Aisi (Indian movie) |
| HKA | Hudson, Kreitman and Aguade (biostatistical test) |
| HKA | Hong Kong Action (The Clan) |
| HKA | Hong Kong Action (organization) |
| HKA | Hawaii Karate Association |
| HKA | Hand-to-Hand Killing Attack (gaming) |