| Jans | Jans Bay | Jans Bay (ort) |
| Jans Bay, Saskatchewan | Jans tjärn | Jansa, Janez |
| Jansa, Leopold | Jansa, Victor | Jansamuelstjärnen |
| Jansanissagölen | Jansath | Jansatjärnen |
| Jansö, Ellen | Jansberg | Jansberg, Långaryd |
| Jansberg, Uppland | Jansbergssjön | Jansci Deutsch |
| Jansdorf | Janse | Janse (auktor) |
| Janse, Albert | Janse, Axel | Janse, Fanny |
| Janse, Olov | Janseana | Janseana sceptica |
| Janseana vibrata | Janseides | Janseides butleri |
| Janseides subhyalina | Janseiter | Jansen |
| Jansen (auktor) | Jansen (ort i Kanada) | Jansen Harkins |
| Jansen Panettiere | Jansen, Colorado | Jansen, Cornelius |
| Jansen, Floor | Jansen, Marcell | Jansen, Nadine |
| Jansen, Nebraska | Jansen, Per | Jansen, Saskatchewan |
| Jansen, Theo | Jansen, Wim | Jansenella |
| Jansenella griffithiana | Jansenia cultrifolia | Jansenism |
| Jansenismen | Jansenist | Jansenister |
| Jansenius | Jansenryggen | Jansenus |
| Jansenus burgeri | Janseodes | Janseodes aenigmatica |
| Janseodes hugeli | Janseodes melanospila | Janseodes melanosticta |
| Janseodes pallescens | Janseodes russa | Janseola |
| Janseola fulvithorax | Jansher Khan | Jansjö |
| Jansjön | Jansjön (Ådals-Lidens socken, Ångermanland) | Jansjön (Fjällsjö socken, Ångermanland) |
| Jansjösjön | Janska | Janská |
| Janské Lázně | Janske Lazne | Janskisaari |
| Jansky, Karl Guthe | Jansma, Sijtse | Jansmyrberget |
| Janson Nils | Janson, Adolf | Janson, Alfred |
| Janson, Bengt | Janson, Claes | Janson, David |
| Janson, Drude Ulriche Petrea Krog | Janson, Erika | Janson, Frans Gustaf |
| Janson, Gösta | Janson, Gustaf | Janson, Kristofer |
| Janson, Olle | Janson, Oscar | Janson, Paul |
| Janson, Paul-Emile | Janson, Robert | Janson, Roland |
| Janson, Rolf | Janson, Svante | Janson, Theodor |
| Jansonella | Jansonella anceps | Jansonia |
| Jansonia formosa | Jansoniella ambigua | Jansoniella ambiqua |
| Jansons frestelse | Jansons, Mariss | Jansport |
| Janssen | Janssen (krater) | Janssen (månkrater) |
| Janssen Peak | Janssen Pharmaceutica | Janssen, Claes |
| Janssen, David | Janssen, Famke | Janssen, Pierre Jules Cesar |
| Janssen, Walter | Janssen-Cilag | Janssen–Cilag |
| Janssenmedaljen | Janssens (auktor) | Janssens covid-vaccin |
| Janssens covidvaccin | Janssensantus | Janssensantus inexpectatus |
| Janssensantus pauliani | Janssensellus | Janssensellus bicaviventris |
| Janssensia | Janssensia reticulata | Jansson |
| Jansson Beck-Friis, Johan | Jansson Persson Trogard Arkitektkontor AB | Jansson, Albin |
| Jansson, Alvar | Jansson, Anders | Jansson, Anna |
| Jansson, Anton | Jansson, Arne | Jansson, Börje |
| Jansson, Bengt | Jansson, Bengt-Owe | Jansson, Benny |
| Jansson, Bernhard | Jansson, Carl i Edsbäcken | Jansson, Christer |
| Jansson, Christian W | Jansson, Conny | Jansson, E. Alfred |
| Jansson, Elisabeth | Jansson, Eugene | Jansson, Eva |
| Jansson, Eva-Lena | Jansson, Folke | Jansson, Fridolf |
| Jansson, Gottfrid | Jansson, Gunnar | Jansson, Hans i Bräcketorp |
| Jansson, Harry | Jansson, Helena | Jansson, Helge |
| Jansson, Ivar | Jansson, Jan i Saxhyttan | Jansson, Jan-Magnus |
| Jansson, Janne | Jansson, Jenny | Jansson, Jens |
| Jansson, Jesper | Jansson, Jimmy | Jansson, Johan |
| Jansson, Johannes i Ellenö | Jansson, Karl Emanuel | Jansson, Kim |
| Jansson, Laila | Jansson, Lars | Jansson, Lars Johan |
| Jansson, Lars-Gunnar | Jansson, Lena | Jansson, Lotten |
| Jansson, Maria | Jansson, Marlena | Jansson, Martin |
| Jansson, Mats | Jansson, Maud | Jansson, Michael |
| Jansson, Nanna | Jansson, Nils i Rökslid | Jansson, Ninel |
| Jansson, Paul | Jansson, Per | Jansson, Pontus |
| Jansson, Richard | Jansson, Roger | Jansson, Roland |
| Jansson, Rune | Jansson, Sid | Jansson, Sixten |
| Jansson, Stefan | Jansson, Steve | Jansson, Svante |
| Jansson, Sven B.F. | Jansson, Tommy | Jansson, Torkel |
| Jansson, Torsten | Jansson, Tove | Jansson, Ulrik |
| Jansson, Valter | Jansson, Viktor | Jansson-Öhlin, Carl |
| Jansson-Blommér, Edla | Janssoniella | Janssoniella ambigua |
| Janssoniella caudata | Janssoniella intermedia | Janssoniella iskophila |
| Janssoniella major | Janssoniella notata | Janssons Båtvarv |
| Janssons frestelse | Janssons frestelse (1928) | Janssons frestelse (1936) |
| Janssons frestelse (film) | Janssons frestelse (film, 1928) | Janssons frestelse (film, 1936) |
| Janssons frestelse (olika betydelser) | Janstjärn | Janstjärnen |
| Janstorp | Janstorpsskogens naturreservat | Janszoon, Willem |
| Jantantrik Bahujan Samaj Party | Jantar Hills | Jantar Mantar |
| Jantar Mantar i Delhi | Jantar Mantar i Jaipur | Jantar Mantar, Jaipur |
| Jantar-klass | Jantarnij | Jantarnyj |
| Jantarvarvet | Jante | Jante lagen |
| Janteh | Jantelag | Jantelagen |
| Janteloven | Jantetelco | Jantetelco (kommun) |
| Jantetelco (ort) | Janthe bovallii | Janthe bugulifolia |
| Janthe, Sven | Janthina | Janthina exigua |
| Janthina fragilis | Janthina globosa | Janthina janthina |
| Janthina pallida | Janthina prolongata | Janthinea |
| Janthinea asiatica | Janthinea divalis | Janthinea frivaldszci |
| Janthinea friwaldszkii | Janthinea restricta | Janthinea viola |
| Janthinidae | Janthinisca | Janthinisca badia |
| Janthinisca flavescens | Janthinisca flavipennis | Janthinisca gerda |
| Janthinisca griveaudi | Janthinisca lilacea | Janthinisca linda |
| Janthinisca politzari | Janthinisca postlutea | Janthinisca rosita |
| Janthinisca signifera | Janthinomyia | Janthinomyia elegans |
| Janthinomyia felderi | Janthinosoma arribalzagae | Janthinosoma centrale |
| Janthinosoma coffini | Janthinosoma echinata | Janthinosoma floridense |
| Janthinosoma indoctum | Janthinosoma jamaicensis | Janthinosoma paraguayensis |
| Janthinosoma schwarzi | Janthinosoma terminalis | Janthinosoma texanum |
| Janthinosoma toltecum | Janthinosoma vanhalli | Janthura |
