| Acronym | Meaning |
| HI | Hawaii (postal Symbol) |
| MCMV | Mine Counter-Measure Vessel |
| ICNAF | International Commission For The Northwest Atlantic Fisheries (became NAFO In 1978) |
| AMFR | Age-specific Marital Fertility Rate - Amplitude Modulation Following Response |
| TWP | Technical Working Paper |
| KW | Kuwait (ISO 3166 Digram) |
| CTMS | Clinical Trial Management System |
| SPM | Saint Pierre And Miquelon (ISO 3166 Trigram) |
| KY | Kyrgyz Language (ISO 639-1 Code) |
| WSM | Samoa (ISO 3166 Trigram; From West Samoa) |