Names of countries in seven languages
| Finnish | Heard ja McDonaldinsaaret Heard(in) ja McDonaldinsaarten territorio |
| Swedish | Heardön och McDonaldöarna Territoriet Heardön och McDonaldöarna |
| North Saami | Heard ja McDonaldsullot Heard ja McDonaldsulluid territoria |
| English | Heard Island and McDonald Islands Territory of Heard Island and McDonald Islands (the) |
| French | Îles Heard-et-McDonald (les, pl., f.) Territoire des Îles Heard-et-McDonald (le) |
| German | Heard und McDonaldinseln Territorium Heard und McDonaldinseln (das) |
| Russian | остров Херд и острова Макдональд
|
| *(Australia) | |
Abbreviations
| abbr. name | abbreviated name |
| AT | Austria |
| CH | Switzerland |
| DE | Germany |
| f. | feminine |
| fmr | former |
| FR | France |
| GB | United Kingdom |
| hist. | historical |
| in dipl. relations | in diplomatic relations |
| lang. planning | language planning |
| m. | masculine |
| n. | neuter |
| offic. | official |
| oft. | often |
| pl. | plural |
| prev. | previously |
| UN | the United Nations |
| unoffic. | unofficial |
| * | not independent |