| Acronym | Meaning |
| ACK | Acknowledge (telecommunications; Cf. NAK) |
| LRPE | Long-Range Planning Element |
| MMK | Burmese Kyat (ISO 4217 Currency Code) |
| JTC | Joint Training Confederation |
| IOT | British Indian Ocean Territory (ISO 3166 Trigram) |
| ECTHR | European Court Of Human Rights |
| KAU | Kanuri Language (ISO 639-2 Code) |
| HA | Haiti (FIPS 10-4 Country Code) -High Availability |
| AVA | Avar Language (ISO 639-2 Code) |
| PETE | PolyEthyleneTErephthalate |