| Japet | Iapetus |
| JAPH | Just another Perl hacker |
| Japhet | Japheth |
| Japon | Japan |
| Japonais | Japanese |
| Japonais au Brésil | Japanese Brazilian |
| Japonaise | Japanese |
| jappement | baying |
| japper | yelp |
| jaquette | wrapper |
| jaquier | breadfruit-tree |
| Jar Jar Binks | Jar Jar Binks |
| Jar of flies | Jar of Flies |
| Jarak | Jarak |
| Jarama | Jarama |
| Jaramijó Ecuador | Jaramijó |
| Jararaca-ilhoa | Bothrops insularis |
| jardin | yard |
| Jardin anglais | English garden |
| jardin botanique | botanical conservatory |
| Jardin botanique Clelia Durazzo Grimaldi | Giardino botanico Clelia Durazzo Grimaldi |
| Jardin botanique de Berlin | Botanical Garden in Berlin |
| Jardin botanique de Bogor | Bogor Botanical Gardens |
| Jardin botanique de Buenos Aires | Buenos Aires Botanical Garden |
| Jardin botanique de Coimbra | Botanical Garden of the University of Coimbra |
| Jardin botanique de Göteborg | Göteborg Botanical Garden |
| Jardin botanique de Kyoto | Kyoto Botanical Garden |
| Jardin botanique de Montréal | Jardin botanique de Montréal |
| Jardin botanique de New York | New York Botanical Garden |
| Jardin botanique de Padoue | Orto botanico di Padova |
| Jardin botanique de Palerme | Orto botanico di Palermo |
| Jardin botanique de Pise | Orto botanico di Pisa |
| Jardin botanique de San Francisco | San Francisco Botanical Garden |
| Jardin botanique Hanbury | Giardini Botanici Hanbury |
| Jardin botanique national de Belgique | National Botanic Garden of Belgium |
| Jardin botanique national Kirstenbosch | Kirstenbosch |
| Jardin botanique Sir Seewoosagur Ramgoolam | Sir Seewoosagur Ramgoolam Botanical Garden |
| Jardin chinois | Chinese garden |
| jardin d'enfants | kindergarten |
| jardin d'Éden | Garden of Eden |
| Jardin de Boboli | Boboli Gardens |
| jardin de rocaille | rock garden |
| Jardin des plantes | Botanical garden |
| Jardin des plantes de Paris | Jardin des Plantes |
| Jardin des simples de Florence | Orto Botanico di Firenze |
| Jardin du Luxembourg | Jardin du Luxembourg |
| Jardin exotique de Monaco | Jardin Exotique de Monaco |
| jardin familial | home garden |
| Jardin japonais | Japanese garden |
| Jardin Majorelle | Majorelle Garden |
| jardin maraîcher | truck farm |
| Jardin persan | Persian gardens |
| jardin potager | vegetable garden |
| jardin public | garden |
| Jardin sauvage | Wildlife gardening |
| Jardin Yu | Yuyuan Garden |
| Jardin zen | Japanese rock garden |
| jardin zoologique | zoo |
| Jardin Zoologique de Berlin-Friedrichsfelde | Tierpark Berlin |
| jardin à l'anglaise | English garden |
| jardin à la française | French formal garden |
| jardinage | gardening |
| Jardinage biologique | Organic horticulture |
| Jardinage urbain | Urban horticulture |
| jardinet | yard |
| jardinier | gardener |
| jardinière | gardener |
| Jardinière de légumes | Mixed vegetables |
| Jardins de la rotonde de Padoue | The garden of the Rotonda Padua |
| Jardins de Shalimar | Shalimar Gardens |
| Jardins de Tivoli | Tivoli Gardens |
| Jardins secrets | Gooische Vrouwen |
| Jardins suspendus de Babylone | Hanging Gardens of Babylon |
| Jardins suspendus de Sémiramis | Hanging Gardens of Babylon |
| Jared | Jared |
| Jared a le SIDA | Jared Has Aides |
| Jared Diamond | Jared Diamond |
| Jared Leto | Jared Leto |
| Jared Padalecki | Jared Padalecki |
| jargon | speak |
| jargon administratif | officialese |
| Jargon juridique | List of legal Latin terms |
| Jari Litmanen | Jari Litmanen |
| Jari Puikkonen | Jari Puikkonen |
| Jariyan al Batnah | Jariyan al Batnah |
| Jarkko Ruutu | Jarkko Ruutu |
