List of fictional alien species: P
From Infogalactic: the planetary knowledge core
| Name | Source | Type |
|---|---|---|
| Paan'uri | Schlock Mercenary | Dark matter entities |
| Pah Wraith | Star Trek | |
| Pak, a.k.a. Protectors | Larry Niven's Known Space books | Humanoid, with three distinct life stages. First stage: Child, Second Stage: Breeder (known on earth as Homo Erectus), Third Stage: Protector, (superintelligent, could not survive on earth) |
| Pakled | Star Trek | |
| Parillatians | Utopia | |
| Pascalenes | Utopia | |
| Pascians | Battlelords of the 23rd Century | |
| Peliar Zel | Star Trek | |
| Pemalites | K. A. Applegate's Animorphs | Dog like aliens, extremely friendly |
| Pentapods | 2300 AD | |
| The People from the Home | The People (1972 film) and writings by Zenna Henderson | Very like Earth people, but have paranormal powers. Some came to live in small communities on Earth, after their own planet "the Home" was destroyed. |
| Pequeninos | Orson Scott Card's Speaker for the Dead | |
| Petrosapien | Ben 10 | |
| Pfifltrig | C. S. Lewis' Ransom Trilogy | |
| Pfhor | Marathon Trilogy | |
| Phagors | Brian W. Aldiss's Heliconia series | Humanoid |
| Phalanx | Marvel Comics | |
| Phentari | Battlelords of the 23rd Century | |
| Phibians | Dune universe | |
| Phleebhutinskis | Space Quest | |
| Phosphorescent Maze Midgets | Bravest Warriors | Midgets that live in the Lavarynth. |
| Phtagurs | Metabarons | |
| Pierson's Puppeteers | Larry Niven's Ringworld and Known Space series | three legs, armless, two manipulative heads, brain in torse. Evolved from herbivorous herd animals. Most technologically advanced species in Known Space. |
| Pilots | Farscape | Crustaceanoid |
| Pinkunz | Space Quest | |
| Pisciss Volanns | Ben 10 | |
| Pkunk | Star Control | Toucan or dodo-like |
| Planet Jackers | Invader Zim | The Planet Jackers' planet orbits a dying sun so to keep it alive, they steal planets and hurl them into the sun to keep it burning. |
| P'lod | Weekly World News | |
| Plookesians | Invader Zim | A peaceful race. Most notable of the Plookesians are Mooshy and Spoopty. |
| Ploxis | Star Control 3 | |
| Pnume | Jack Vance's Planet of Adventure Series | Insectoid. |
| Polymorph | Red Dwarf | |
| Porquinhos | Orson Scott Card's Speaker for the Dead | Humanoid |
| Posleen | John Ringo's "Legacy of the Aldenata" | |
| tans | The High Crusade | |
| Prawns | District 9 | |
| Precursors | Halo | Highly advanced,15 meter tall, eurypterid beings |
| "Predator" aliens | Predator movie series | |
| Primes | Peter F. Hamilton's "Commonwealth Saga" | |
| Private Tamama | Sgt. Frog | |
| Progenitors | David Brin's Uplift Universe | |
| Promethians | Rifts role-playing game | Humanoid; formidable ancient race of mysterious origin; reside primarily on Phase World, center of the Three Galaxies; possess "phase" powers, enabling manipulation of physical and dimensional space; generally indifferent to anything that does not pose a threat to themselves or the cosmos as a whole. |
| Prophets (San 'Shyuum) | Halo | |
| Prophets | Star Trek | |
| Proteans | AdventureQuest | morphing metallic blobs |
| Protheans | Mass Effect | |
| Protoss | StarCraft | |
| Psilons | Master of Orion | |
| Psirens | Red Dwarf | Shape Changing GELFs |
| Psychlos | Battlefield Earth | Humanoid |
| Psychons | Space: 1999 | Humanoid with metamorphosis abilities, capable of "molecular transformation" into the form of organic material such as an animal or plant by knowing its molecular structure. This form can only be held for one hour and cannot change directly from one form to another. |
| Protoculture | Macross series | |
| Polionation Tech | Sims 2 | |
| The Puppet Masters | Robert A. Heinlein book of the same name | |
| Purple Aliens | It's Walky! | |
| Pyrians | Gene Roddenberry's Andromeda | Methane breathing squid-like race |
| Pyronite | Ben 10 | |
| Pyroviles | Doctor Who | Humanoid |
| Python Lizards | Battlelords of the 23rd Century |
