| Atlético Belén de Moyobamba | Copa Perú | — | 20 April 1960 | Estadio IPD de Moyobamba |
| Atlético Chalaco | Copa Perú | — | 1902 | Estadio Telmo Carbajo |
| Atlético Deportivo Olímpico | Copa Perú | — | — | Estadio Telmo Carbajo |
| Atlético Grau | Peruvian Primera División | — | 1919 | Estadio Miguel Grau |
| Atlético Huracán de Moquegua | Copa Perú | — | 26 July 1958 | — |
| Atlético Lusitania | Copa Perú | — | 18 October 1922 | National Stadium of Peru |
| Atlético Minero | Peruvian Segunda División | — | 1997 | Estadio Municipal de Matucana |
| Atlético Mollendo | Copa Perú | — | — | — |
| Atlético Telmo Carbajo | Copa Perú | — | 16 November 1928 | Estadio Telmo Carbajo |
| Atlético Universidad | Copa Perú | — | 24 February 1964 | Arequipa Stadium |
| Aurich–Cañaña | — | — | 1993 | Estadio Elías Aguirre |
| Aurora Chancayllo | Copa Perú | — | 10 August 1931 | Estadio Rómulo Shaw Cisneros |
| Aurora Miraflores | Copa Perú | — | 2 January 1958 | Manuel Bonilla Sports Complex |
| Austin FC | Major League Soccer | Austin | 2018 | Q2 Stadium |
| Auxilium Pallacanestro Torino | — | Turin | 1974 | Palazzetto dello Sport Gianni Asti |
| Ayacucho FC | Peruvian Primera División | — | 1972 | Estadio Las Américas |
| Azzurra Brindisi | — | Brindisi | 1964 | — |
| Azzurro Napoli Basket 2013 | — | Naples | 2013 | PalaBarbuto |
| Baltimore Bullets | National Basketball Association | Baltimore | 1944 | Baltimore Coliseum |
| Baltimore Colts | — | Baltimore | 1947 | — |
| Baltimore Orioles | Major League Baseball | — | 1894 | Sportsman's Park, Oriole Park at Camden Yards, Lloyd Street Grounds, Memorial Stadium |
| Baltimore Ravens | National Football League | Baltimore | 1996 | Memorial Stadium, M&T Bank Stadium |
| Barcelona de Surquillo | Copa Perú | — | 8 September 1975 | Estadio Nacional del Perú (1897) |
| Basket Anagni | — | — | — | — |
| Basket Barcellona | — | Barcellona Pozzo di Gotto | 1976 | — |
| Basket Bees Treviglio | — | — | — | — |
| Basket Biassono | — | Biassono | — | — |
| Basket Brescia | — | Brescia | 1957 | — |
| Basket Cavezzo | — | Cavezzo | 1978 | — |
| Basket Cefalù | — | — | — | — |
| Basket Club Bolzano | — | Bolzano | — | Palazzetto dello sport "Paola Mazzali" |
| Basket Club Ferrara | — | Ferrara | 1999 | Palasport di Ferrara |
| Basket Club Valtarese 2000 | — | — | — | — |
| Basket Femminile Le Mura Lucca | — | Lucca | 2005 | — |
| Basket Femminile Livorno | — | Livorno | — | — |
| Basket Femminile Milano | — | Milan | — | — |
| Basket Femminile Pavia | — | — | — | — |
| Basket Fossombrone | — | Fossombrone | — | — |
| Basket Foxes Giussano | — | Giussano | 1983 | — |
| Basket Livorno | — | Livorno | 1947 | — |
| Basket Lumezzane | — | Lumezzane | — | — |
| Basket Massafra | — | Massafra | — | — |
| Basket Mestre 1958 | — | Mestre | 1958 | Vitrifrigo Arena |
| Basket Montichiari | — | — | — | — |
| Basket Parma | — | Parma | 1962 | — |
| Basket Recanati | — | Recanati | 1982 | — |
| Basket Rimini Crabs | — | — | — | — |
| Basket Team Crema | — | — | — | — |