| periodiska systemet | periodic table |
| Periodiska systemets block | Periodic table block |
| Periodiska systemets grupper | Group |
| Periodiska systemets perioder | Period |
| Peripatetiska skolan | Peripatetic school |
| Peripheral Component Interconnect | Peripheral Component Interconnect |
| periphyton | periphyton |
| Peripteros | Peripteros |
| periskop | periscope |
| peristyl | peristyle |
| peritoneum | peritoneum |
| peritonit | peritonitis |
| perkolator | percolator |
| perkussion | percussion |
| Perl | Perl |
| Perleberg | Perleberg |
| Perlit | Perlite |
| Perly-Certoux | Perly-Certoux |
| Perm | Permian |
| Perm kraj | Perm Krai |
| Perm oblast | Perm Oblast |
| permafrost | permafrost |
| Permakultur | Permaculture |
| permanent | enduring |
| permanenta | perm |
| permanentning | perm |
| permanganat | permanganate |
| permeabilitet | permeability |
| Permiska språk | Permic languages |
| permission | leave |
| Permission to Land | Permission to Land |
| permissionsförbud | confinement to barracks |
| permittering | lay-off |
