| Planar | Planar (company) | Planar (computer graphics) |
| Planar (disambiguation) | Planar (lens) | Planar (transmission line technologies) |
| Planar algebra | Planar angle | Planar angles |
| Planar array | Planar array radar | Planar ASK-18 AR |
| Planar atomic density | Planar board | Planar cell polarity |
| Planar Chaos | Planar Chaos (Magic: The Gathering) | Planar chirality |
| Planar Chromatography | Planar chromatography | Planar code |
| Planar Conquest | Planar cover | Planar Crown connector |
| Planar crystallographic group | Planar crystallographic groups | Planar defect |
| Planar deformation feature | Planar deformation features | Planar Doppler velocimetry |
| Planar Doppler Velocimetry | Planar dragons (Dungeons & Dragons) | Planar dragons (Dungeons and Dragons) |
| Planar dual | Planar embedding | Planar embedding of the graph |
| Planar Fourier capture array | Planar Fourier Capture Array | Planar fracture |
| Planar geometry | Planar graph | Planar Graph |
| Planar graphs | Planar Hall sensor | Planar hall sensor |
| Planar Handbook | Planar hexacoordinate carbon | Planar hydroid |
| Planar Hydroid | Planar image format | Planar inverted-F antenna |
| Planar joint | Planar lamina | Planar Lamina |
| Planar laser-induced fluorescence | Planar lightwave circuit (PLC) interferometer | Planar lightwave circuit interferometer |
| Planar limit | Planar magnetic speaker | Planar magnetic tweeter |
| Planar map | Planar mechanism | Planar mechanisms |
| Planar molecular geometry | Planar motor | Planar partition |
| Planar partitions | Planar patch clamp | Planar process |
| Planar projection | Planar Projection | Planar reef |
| Planar reentry equations | Planar region | Planar Riemann surface |
| Planar SAT | Planar separator theorem | Planar Separator Theorem |
| Planar space | Planar stereoisomerism | Planar straight line graph |
| Planar straight-line graph | Planar subdivision | Planar surface |
| Planar symmetry | Planar Systems | Planar Systems, Inc. |
| Planar tangent | Planar ternary ring | Planar transformer |
| Planar Transformers | Planar transformers | Planar transistor |
| Planar transmission line | Planar waveguide | Planar Yang-Mills theory |
| Planar Yang–Mills theory | Planar-3SAT | Planar-magnetic tweeter |
| Planaria | Planaria burmaensis | Planaria kempi |
| Planaria limacina | Planaria pinguis | Planaria torva |
| Planarian | Planarian secretory cell nidovirus | Planarian worm |
| Planarians | Planariid | Planariidae |
| Planarioidea | Planarity | Planarity (graph theory) |
| Planarity testing | Planarium | Planarization |
| Planas | Planas (surname) | Planas, Isabela, Puerto Rico |
| Planas, Puerto Rico | Planasia | Planaspis |
| Planate | Planate abalone | Planaterga |
| Planatery science | Planation | Planation surface |
| Planation Surface | Planatus occidentalis | Planavit C |
| Planavy | Planaxidae | Planaxinae |
| Planaxis | Planaxis brazilianus | Planaxis lineolatus |
| Planaxis mollis | Planaxis niger | Planaxis punctorostratus |
| Planaxis savignyi | Planaxis sulcatus | Planay |
| Planay, Côte-d'Or | Planay, Cote-d'Or | Planay, Savoie |
| Plan–do–check–act | Plan–do–study–act | Planá |
| Planá (České Budějovice District) | Planá (disambiguation) | Planá (Okres Tachov) |
| Planá (Tachov District) | Planá nad Lužnicí | Planá u Českých Budějovic |
| Planá u Mariánských Lázní | Planá, Czech Republic | Plançon a picot |
| Plançon à picot | Plançor | Planès |
| Planès station | Planète | Planète (disambiguation) |
| Planète (French Television Channel) | Planète (magazine) | Planète (review) |
| Planète (TV channel) | Planète Chocolat | Planète des singes |
| Planète des Singes | Planète Némo | Planète Rap |
| Planète Sauvage | Planète sauvage | Planète Sauvage (disambiguation) |
| Planète Sauvage (zoological park) | Planète Sciences | Planète terre |
| Planète Terre | Planète+ | Planète+ Thalassa |
| Planèze de Saint-Flour | Planèze of Saint-Flour | Planèzes |
| Planétarium de Montréal | Planétarium de Reims | Planétarium de Strasbourg |
| Planéte Sauvage | Planē (mythology) | PLANC |
| Planc's constant | Planceer | Plancenoit |
| Planch | Planch. | Plancha |
| Planchart | Planchas de Plata | Planchas de Plata, Sonora |
| Planché | Planché, James | Planchón-Peteroa |
| Planche | Planche (disambiguation) | Planche (exercise) |
| Planche des Belles Filles | Planche push-up | Planche, Andrew |
| Planche, Haiti | Plancheite | Plancher-Bas |
| Plancher-les-Mines | Plancherel | Plancherel formula |
| Plancherel measure | Plancherel Measure | Plancherel theorem |
| Plancherel Theorem | Plancherel theorem for spherical functions | Plancherel's theorem |
| Plancherel's Theorem | Plancherel-Rotach asymptotics | Plancherel–Rotach asymptotics |
| Plancherine | Planches | Planchet |
| Planchet error | Planchet errors | Planchets |
| Planchette | Planchette board | Planchette ronflante |
| Planchettes | Planchez | Planchier |
| Planchon | Planchon's stringybark | Planchon-Peteroa |
| Planchonella | Planchonella aurata | Planchonella australis |
| Planchonella beccarianum | Planchonella contermina | Planchonella costata |
| Planchonella cotinifolia | Planchonella crenata | Planchonella daenikeri |
| Planchonella duclitan | Planchonella eerwah | Planchonella glauca |
| Planchonella guianensis | Planchonella kaalaensis | Planchonella latihila |
| Planchonella luteocostata | Planchonella maclayana | Planchonella malaccensis |
| Planchonella mandjeliana | Planchonella myrsinifolia | Planchonella myrsinifolia subsp. howeana |
| Planchonella myrsinoides | Planchonella nitida | Planchonella novo-zelandica |
| Planchonella obovata | Planchonella pierreana | Planchonella pinifolia |
| Planchonella pomifera | Planchonella povilana | Planchonella puberula |
| Planchonella queenslandica | Planchonella reticulata | Planchonella roseoloba |
| Planchonella rufocostata | Planchonella sandwicensis | Planchonella spectabilis |
| Planchonella tahitensis | Planchonella torricellensis | Planchonella vitiensis |
| Planchonia | Planchonia alata | Planchonia brevistipitata |
| Planchonia careya | Planchonia elliptica | Planchonia forbesii |
| Planchonia grandis | Planchonia lanceolata | Planchonia littoralis |
| Planchonia nitida | Planchonia sumatrana | Planchonia undulata |
| Planchonia valida | Planchons stringybark | Plancia |
| Plancia gens | Plancia Magna | Plancina |
| Plancinus | Plancius | Planciusbukta |
