| Part of speech | common noun |
|---|---|
| Hyphenation | ja·pan·o |
| Singular | Plural | |
|---|---|---|
| Nominative | japano | japanoj |
| Accusative | japanon | japanojn |
| Albanian | japonez |
|---|---|
| Catalan | japonès |
| Czech | Japonec |
| Danish | japaner |
| Dutch | Japannees; Japanner |
| English | Japanese |
| Finnish | japanilainen |
| French | Japonais |
| German | Japaner |
| Greek | Ιάπωνας |
| Hungarian | japán |
| Italian | giapponese |
| Papiamento | hapones |
| Polish | Japończyk |
| Portuguese | japonês |
| Russian | японец |
| Saterland Frisian | Japaner |
| Spanish | japonés |
| Swedish | japanes |
| Thai | คนญี่ปุ่น |
| Turkish | Japonca; Japonyalı |