| protektionism | protectionism |
| protektorat | protectorate |
| Proteoglykaner | Proteoglycan |
| Proterozoikum | Proterozoic |
| protes | prosthesis |
| protest | protest |
| Protest the Hero | Protest The Hero |
| protestant | protester |
| Protestantiska Kyrkan i Nederländerna | Protestant Church in the Netherlands |
| protestantism | Protestantism |
| protesten godtagen | objection sustained |
| protesten är avslagen | objection overruled |
| protestera | protest |
| protestera mot | object to |
| protesterade | protested |
| protesterar | protests |
| proteststorm | storm of protests |
| Protestsång | Protest song |
| protestvissling | catcall |
| Proteus | Proteus |
| Proteus syndrom | Proteus syndrome |
| Protiskt lösningsmedel | Protic solvent |
| Protister | Protist |
| Protobulgarer | Bulgars |
| Protodynastisk tid | Protodynastic Period of Egypt |
| protokoll | proceedings |
| proton | proton |
| Proton Pack | Proton pack |
| Protonpumpshämmare | Proton pump inhibitor |
| Protonraket | Proton |
| protoplasma | protoplasm |
| Protopunk | Protopunk |
