| Napoli Basketball | — | Nápoles | 2011 | — |
| Nashville Predators | — | — | 1998 | Bridgestone Arena |
| Nashville Soccer Club | Major League Soccer | Nashville | 2017 | Geodis Park, Nissan Stadium |
| NBA New Basket A-Zena | — | Génova | — | — |
| New Basket Brindisi | Lega Basket Serie A | Bríndisi | 1992 | PalaPentassuglia |
| New Basket Palestrina | — | — | — | — |
| New England Patriots | National Football League | Foxboro | 1959 | Gillette Stadium |
| New England Revolution | Major League Soccer | Foxboro | 1995 | Gillette Stadium |
| New Jersey Devils | — | Newark, East Rutherford | 1974 | Izod Center, Prudential Center |
| New Orleans Pelicans | National Basketball Association | Nueva Orleans | 2002 | Paycom Center, Smoothie King Center |
| New Orleans Saints | National Football League | — | 1967 | Louisiana Superdome |
| New Polibasket San Bonifacio | — | — | — | — |
| New York City FC | Major League Soccer | Nueva York | 21 de mayo de 2013 | Yankee Stadium |
| New York Giants | National Football League | Área metropolitana de Nueva York | 1925 | MetLife Stadium |
| New York Giants | — | — | — | — |
| New York Islanders | — | Brooklyn, Elmont, Uniondale | 1972 | UBS Arena, Barclays Center, Nassau Veterans Memorial Coliseum |
| New York Jets | National Football League | Nueva York, East Rutherford | 1960 | MetLife Stadium |
| New York Knicks | National Basketball Association | Nueva York | 1946 | Madison Square Garden, Madison Square Garden (1925), 69th Regiment Armory |
| New York Mets | Grandes Ligas de Béisbol | — | 1962 | Citi Field |
| Nova Virtus Ragusa | — | Ragusa | — | — |
| NPC Rieti | — | Rieti | 2011 | — |
| Nuova Fiamma Stabia | — | — | — | — |
| Nuova Sebastiani Basket Rieti | — | Rieti | 1946 | — |