Jakovlevia: Stichel, 1959, Genus – misspelled name of Jakowleffia Puton, 1875, Genus
Jakowleffia Puton, 1875, Genus
Jallainae Mulsant & Rey, 1866, Subfamilia – synonym of Asopinae Amyot & Serville, 1843, Subfamilia
Jannaeus Distant, 1909, Genus – synonym of Lasiacantha Stål, 1873, Genus
Jessopocoris Carvalho, 1981, Genus
Jingicoris C.R. Li & L.Y. Zheng, 2002, Genus
Joppeicidae Reuter, 1910, Familia
Josifovius Konstantinov, 2008, Genus
Josifovolygus Kerzhner & Schuh, 1995, Genus
Juniperia Linnavuori, 1965, Genus
Jurtina Stål, 1868, Genus – synonym of Bathycoelia Amyot & Serville, 1843, Genus