| Jozef Tiso | Jozef Tiso |
| Jozef Tomko | Jozef Tomko |
| Jozef-Ernest van Roey | Joseph-Ernest van Roey |
| Jozsef Asboth | József Asbóth |
| João Alves de Assis Silva | Jô |
| João Bernardo Vieira | João Bernardo Vieira |
| João Guimarães Rosa | João Guimarães Rosa |
| João Moutinho | João Moutinho |
| João Pessoa | João Pessoa |
| João Ricardo | João Ricardo |
| João Ubaldo Ribeiro | Ubald |
| João Vaz Corte-Real | Joao Vaz Corte-Real |
| Joël Bats | Joël Bats |
| Joël Lautier | Joël Lautier |
| Jože Plečnik | Jože Plečnik |
| JPEG | JPEG |
| JPEG XR | JPEG XR |
| JPMorgan Chase | JP Morgan Chase |
| JPMorgan Chase Tower | JPMorganChase Tower |
| Jr | Junior |
| JScript | JScript |
| JTD engine | JTD |
| JTD engines | JTD |
| Juan Alberto Schiaffino | Juan Schiaffino |
| Juan Antonio Marín | Juan Antonio Marin |
| Juan Antonio Samaranch | Juan Antonio Samaranch |
| Juan Boscán Almogáver | Juan Boscán Almogaver |
| Juan Cabanilles | Juan Cabanilles |
| Juan Caramuel y Lobkowitz | Juan Caramuel y Lobkowitz |
| Juan Carlos Ferrero | Juan Carlos Ferrero |
| Juan Carlos I of Spain | Jan Karol I Hiszpański |
| Juan Carlos Onetti | Juan Carlos Onetti |
| Juan de la Cierva | Juan de la Cierva |
| Juan de Marcos González | Juan de Marcos González |
| Juan de Nova Island | Juan de Nova |
| Juan Diego | Juan Diego |
| Juan Donoso Cortés | Juan Donoso Cortés |
| Juan Díaz | Juan Díaz |
| Juan Federico Ponce Vaides | Juan Federico Ponce Vaides |
| Juan Gris | Juan Gris |
| Juan Gutiérrez Moreno | Juanito |
| Juan Gómez González | Juanito |
| Juan José Arévalo | Juan José Arévalo Bermejo |
| Juan Luis Cipriani Thorne | Juan Luis Cipriani Thorne |
