| Name | Other Name | Family | Nativ Name | ISO6391 Code | ISO6392T Code | ISO6392B Code | ISO6393 Code | Notes |
|---|---|---|---|---|---|---|---|---|
| Rundi | Niger–Congo | Ikirundi | rn | run | run | run | also known as Kirundi | |
| Romansh | Indo-European | Rumantsch Grischun | rm | roh | roh | roh | ||
| Quechua | Quechuan | Runa Simi; Kichwa | qu | que | que | que + 44 | macrolanguage | |
| Portuguese | Indo-European | Português | pt | por | por | por | ||
| Pashto | Pushto | Indo-European | پښتو | ps | pus | pus | pus + 3 | macrolanguage |
| Polish | Indo-European | język polski; Polszczyzna | pl | pol | pol | pol | ||
| Pali | Indo-European | पाऴि | pi | pli | pli | pli | ancient; also known as Pāli | |
| Panjabi | Punjabi | Indo-European | ਪੰਜਾਬੀ | pa | pan | pan | pan | |
| Ossetian | Ossetic | Indo-European | ирон æвзаг | os | oss | oss | oss | |
| Oriya | Indo-European | ଓଡ଼ିଆ | or | ori | ori | ori | also known as Odia |