World Heritage letter "J"
- Jesuit Missions of the Guaranis: San Ignacio Mini, Santa Ana, Nuestra Señora de Loreto and Santa Maria Mayor (Argentina), Ruins of Sao Miguel das Missoes (Brazil)(Argentina and Brazil)
- Jesuit Missions of the Chiquitos(Bolivia)
- Jiuzhaigou Valley Scenic and Historic Interest Area(China)
- Jesuit Missions of La Santísima Trinidad de Paraná and Jesús de Tavarangue(Paraguay)
- Joya de Ceren Archaeological Site(El Salvador)
- Jelling Mounds, Runic Stones and Church(Denmark)
- Jongmyo Shrine(Korea)
- Jurisdiction of Saint-Emilion(France)
- Jesuit Block and Estancias of Córdoba(Argentina)
- Jungfrau-Aletsch-Bietschhorn(Switzerland)
- James Island and Related Sites (Gambia)
- Jewish Quarter and St Procopius' Basilica in Třebíč(Czech Republic)
- Jeju Volcanic Island and Lava Tubes(Korea)
- Joggins Fossil Cliffs(Canada)
- Jantar Mantar(India)