| Grifone Catania | — | Catania | — | — |
| Gruppo Sportivo Bernocchi | Lega Basket Femminile | Legnano | 1945 | — |
| Gruppo Universitario Fascista Agrigento | — | Agrigento | — | — |
| Guardia Republicana | Copa Perú | — | 1981 | National Stadium of Peru |
| Hamilton Tigers | — | — | 1920 | Barton Street Arena |
| Handicap Sport Varese | — | — | — | — |
| Hartford Whalers | — | — | 1972 | Matthews Arena |
| Hatria Basket | — | — | — | — |
| Hidroaviación | — | — | 1927 | National Stadium of Peru |
| Hijos de Acosvinchos | Copa Perú | — | 1946 | Estadio Universidad San Marcos |
| Hijos de Yurimaguas | Copa Perú | — | March 16, 1967 | — |
| Houston Astros | Major League Baseball | Houston | 1962 | Daikin Park |
| Houston Dynamo FC | Major League Soccer | Houston | 2005 | Shell Energy Stadium |
| Houston Rockets | National Basketball Association | Houston | 1967 | Toyota Center, Lakewood Church Central Campus, Fertitta Center, Pechanga Arena |
| Houston Texans | National Football League | Houston | 2002 | Reliant Stadium |
| Huancayo Sporting Club | Copa Perú | — | — | Estadio Huancayo |
| Hungaritos Agustinos | Copa Perú | — | June 5, 1954 | Estadio Max Augustín |
| IDUNSA | Peruvian 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 |
| Inter Miami CF | Major League Soccer | Miami | January 29, 2018 | Chase Stadium |
| International Marine Incorporated F.C. | Copa Perú | — | 1992 | Estadio Campeonísimo |
| Ivrea Basket Team | — | Ivrea | — | — |
| Jacksonville Jaguars | National Football League | — | 1995 | EverBank Field |
| JesoloSandonà Basket | — | Jesolo | — | — |
| Jorge Chávez | — | — | — | Estadio Telmo Carbajo |
| Jorge Chávez No. 1 | — | — | 1910 | Estadio Nacional del Perú (1897) |
| José Carlos Mariategui | Copa Perú | — | July 16, 1975 | Estadio Nacional del Perú (1897) |
| José Gálvez FBC | Peruvian Primera División | — | 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 Basket | Serie A, Serie B Dilettanti | Castel Morrone | 1951 | PalaMaggiò |
| Juvenil Andino | Copa Perú | — | August 11, 1932 | — |
| Juvenil Los Ángeles | Copa Perú | — | 1958 | — |
| Juventud Barranco | Copa Perú | — | January 26, 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, Arrowhead Stadium |