| Napoli Basket | — | Napoli | 1978 | — |
| Napoli Basket | Lega Basket Serie A | Napoli | 2016 | PalaBarbuto |
| Napoli Basket Vomero | — | Napoli | 1986 | — |
| Napoli Basketball | — | Napoli | 2011 | — |
| Nashville Predators | — | — | 1998 | Bridgestone Arena |
| Nashville SC | Liga Utama Sepak Bola Amerika Serikat | Nashville | 2017 | Geodis Park, Nissan Stadium |
| NBA New Basket A-Zena | — | Genova | — | — |
| New Basket Brindisi | Lega Basket Serie A | Brindisi | 1992 | PalaPentassuglia |
| New England Patriots | Liga Nasional Sepak bola Amerika | Foxborough | 1959 | Stadion Gillette |
| New England Revolution | Liga Utama Sepak Bola Amerika Serikat | Foxborough | 1995 | Stadion Gillette |
| New Jersey Devils | — | Newark, East Rutherford | 1974 | Meadowlands Arena, Prudential Center |
| New Orleans Pelicans | National Basketball Association | New Orleans | 2002 | Paycom Center, Smoothie King Center |
| New Orleans Saints | Liga Nasional Sepak bola Amerika | — | 1967 | Caesars Superdome |
| New York City FC | Liga Utama Sepak Bola Amerika Serikat | Kota New York | 21 Mei 2013 | Stadion Yankee |
| New York Giants | Liga Nasional Sepak bola Amerika | Wilayah metropolitan New York | 1925 | Stadion MetLife |
| New York Giants | — | — | — | — |
| New York Islanders | — | Brooklyn, Elmont, Uniondale | 1972 | UBS Arena, Barclays Center, Nassau Veterans Memorial Coliseum |
| New York Jets | Liga Nasional Sepak bola Amerika | Kota New York, East Rutherford | 1960 | Stadion MetLife |
| New York Knicks | National Basketball Association | Kota New York | 1946 | Madison Square Garden, Madison Square Garden, 69th Regiment Armory |
| New York Mets | Major League Baseball | — | 1962 | Citi Field |
| New York Rangers | — | Manhattan | 1926 | Madison Square Garden, Madison Square Garden |
| New York Red Bulls | Liga Utama Sepak Bola Amerika Serikat | Harrison | 1995 | Stadion Giants, Red Bull Arena |
| New York Yankees | Major League Baseball | The Bronx | 1903 | Yankee Stadium, Stadion Yankee, Hilltop Park, Shea Stadium, Polo Grounds |
| Nova Virtus Ragusa | — | Ragusa, Italia | — | — |
| NPC Rieti | — | Rieti | 2011 | — |
| Nuova Fiamma Stabia | — | — | — | — |
| Nuova Pallacanestro Gorizia | — | Gorizia | 1934 | — |
| Nuova Pallacanestro Vigevano | — | Vigevano | 1955 | — |