| Houston Dynamo | Major League Soccer | Houston | 2005 | Shell Energy Stadium |
| Houston Rockets | National Basketball Association | Houston | 1967 | Toyota Center, Lakewood Church Central Campus, Fertitta Center, San Diego Sports Arena |
| Houston Texans | National Football League | Houston | 2002 | Reliant Stadium |
| Huancayo Sporting Club | Copa Perú | — | — | Estadio Huancayo |
| Hungaritos Agustinos | Copa Perú | — | 5 giugno 1954 | Estadio Max Augustín |
| IDUNSA | Segunda División | — | 2003 | Arequipa Stadium |
| Inclán Sport Club | Copa Perú | — | — | — |
| Independiente de Cañete | Copa Perú | — | — | — |
| Indiana Pacers | National Basketball Association | Indianapolis | 1967 | Gainbridge Fieldhouse, Corteva Coliseum, Market Square Arena |
| Indianapolis Colts | National Football League | Indianapolis | 1953 | Memorial Stadium, Lucas Oil Stadium, RCA Dome |
| Indianapolis Olympians | National Basketball Association | Indianapolis | 1949 | Hinkle Fieldhouse |
| International Marine Incorporated F.C. | Copa Perú | — | 1992 | Estadio Campeonísimo |
| Ivrea Basket Team | — | Ivrea | — | — |
| Jacksonville Jaguars | National Football League | — | 1995 | EverBank Stadium |
| JesoloSandonà Basket | — | Jesolo | — | — |
| Jorge Chávez | — | — | — | Estadio Telmo Carbajo |
| Jorge Chávez No. 1 | — | — | 1910 | Estadio Nacional del Perú |
| José Carlos Mariategui | Copa Perú | — | 16 luglio 1975 | Estadio Nacional del Perú |
| José Gálvez Foot Ball Club | Campeonato Descentralizado | — | 1951 | Estadio Manuel Rivera Sanchez |
| José María Arguedas de Andahuaylas | Copa Perú | — | 2004 | Estadio Los Chankas |
| José Pardo de Tumán | Copa Perú | — | 1919 | — |
| Juan Aurich | — | — | 1922 | Estadio Elías Aguirre |
| Juan Aurich | — | — | 1996 | Estadio Elías Aguirre |
| Juvecaserta 2021 | Serie A, Serie B Nazionale | Castel Morrone | 1951 | PalaMaggiò |
| Juvenil Andino | Copa Perú | — | 11 agosto 1932 | — |
| Juvenil Los Ángeles | Copa Perú | — | 1958 | — |
| Juvenilia Reggio Emilia | — | Reggio Emilia | — | — |
| Juventud Barranco | Copa Perú | — | 26 gennaio 1963 | Estadio Segundo Aranda Torres |
| Juventud La Joya | Copa Perú | — | — | Estadio Rómulo Shaw Cisneros |
| Juventud La Rural | Copa Perú | — | 1946 | — |
| Juventud Progreso | Copa Perú | — | — | — |
| Juventud Ticlacayán | Copa Perú | — | 2011 | Estadio Daniel Alcides Carrión |
| Juventus Basket Pontedera | — | — | — | — |
| Juventus Corazón | Copa Perú | — | — | — |
| Juvi Cremona Basket | — | — | — | — |
| Kansas City Chiefs | National Football League | Kansas City, Dallas | 1960 | Cotton Bowl, Municipal Stadium, GEHA Field at Arrowhead Stadium |
| Kansas City Royals | Major League Baseball | — | 1969 | Kauffman Stadium |
| KDT Nacional | Copa Perú | — | 1931 | Estadio Telmo Carbajo |
| La Loretana | Copa Perú | — | maggio 1971 | Estadio Aliardo Soria Pérez |
| La Peña Sporting | Copa Perú | — | 6 aprile 1968 | — |
| Las Vegas Raiders | National Football League | Las Vegas | 1960 | Los Angeles Memorial Coliseum, Oakland-Alameda County Coliseum, Allegiant Stadium |
| Latina Basket | — | Latina | 1968 | PalaBianchini |
| Lawn Tennis de la Exposición (fútbol) | Copa Perú | — | 27 giugno 1884 | Stadio nazionale del Perù |
| Lawn Tennis F.C. | Copa Perú | — | 1995 | Stadio nazionale del Perù |
| Legnano Basket Knights | — | Legnano | 1966 | — |
| Libertas Livorno 1947 | — | Livorno | 1 novembre 1947 | — |
| Libertas Pallacanestro Forlì | — | — | — | — |
| Libertas Pallacanestro Livorno | — | Livorno | 1991 | — |