| Nashville Diamonds | American Soccer League | Nashville | 1982 | — |
| Nashville Metros | A-League, USL League Two | Nashville | 1989 | E. S. Rose Park |
| Nashville SC | Major League Soccer | Nashville | 2017 | Nissan Stadium, Geodis Park |
| Nashville SC | USL Championship | Nashville | 19 May 2016 | First Horizon Park |
| Nashville SC U23 | USL League Two | — | 2016 | FirstBank Stadium |
| Nebraska Bugeaters FC | United Premier Soccer League | — | 2017 | — |
| Nevada Wonders | USL League Two | — | 2003 | Carson High School |
| New Amsterdam FC | National Independent Soccer Association | New York City | 2020 | — |
| New Bedford Whalers | Southern New England Soccer League | New Bedford | 1921 | — |
| New England Futbol Club | — | Greater Boston | 2009 | — |
| New England Revolution | Major League Soccer | Foxborough | 1995 | Gillette Stadium |
| New England Sharks | — | New Bedford | 1981 | — |
| New England Tea Men | North American Soccer League | Foxborough | 1978 | Foxboro Stadium |
| New Hampshire Mountaineers | National Premier Soccer League | — | 2009 | — |
| New Jersey Americans | — | New Brunswick | 1976 | — |
| New Jersey Brewers | — | New Jersey | 1972 | — |
| New Jersey Gladiators SC | American Soccer League | — | 2012 | Pascack Valley High School |
| New Jersey Stallions | USL League Two | — | 1996 | DePaul Catholic High School |
| New Mexico Chiles | United Soccer League | Albuquerque | 1990 | — |
| New Mexico United | USL Championship | Albuquerque | 6 June 2018 | Isotopes Park |
| New Orleans Jesters | National Premier Soccer League | New Orleans | 2003 | Pan American Stadium |
| New Orleans Storm | A-League | New Orleans | 1993 | Shrine on Airline |
| New York Americans | American Soccer League | — | 1931 | — |
| New York Arrows | Major Indoor Soccer League | — | 1978 | Nassau Veterans Memorial Coliseum |
| New York Centaurs | A-League | Randalls Island | 1994 | Downing Stadium |
| New York City FC | Major League Soccer | New York City | 21 May 2013 | Yankee Stadium |
| New York Cosmos | National Independent Soccer Association | New York City | 1 August 2010 | Maimonides Park |
| New York Cosmos | North American Soccer League | New York City | 1970 | Giants Stadium |
| New York Cosmos | USL League One | Paterson | 2025 | Hinchliffe Stadium |
| New York Cosmos B | National Premier Soccer League | — | 2015 | Mitchel Athletic Complex |
| New York Eagles | — | New York City | 1978 | — |
| New York Field Club | — | New York City | 1916 | — |
| New York Fury | Women's Premier Soccer League Elite | — | 2011 | James M. Shuart Stadium |
| New York Generals | National Professional Soccer League | New York City | 1967 | Yankee Stadium |
| New York Greek American Soccer Club | Cosmopolitan Soccer League | New York City | 1946 | Metropolitan Oval |
| New York Hakoah | North Jersey Soccer League | New York City | 2009 | — |
| New York Hungaria | Cosmopolitan Soccer League | New York City | 1923 | — |
| New York International FC | — | New York City | 2019 | — |
| New York Nationals | — | New York City | 1927 | — |
| New York Pancyprian-Freedoms | Cosmopolitan Soccer League | New York City | 1974 | Belson Stadium |
| New York Skyliners | — | New York City | 1966 | Yankee Stadium |
| New York Yankees | — | New York City | 1930 | — |
| Newark Americans | — | Newark | 1930 | — |
| Newark Ukrainian Sitch | — | Newark | 1924 | — |
| NorCal Lamorinda United SC | National Premier Soccer League | — | 2009 | Miramonte High School |
| Norfolk SharX | — | — | 2011 | Norfolk Scope |
| North Carolina Courage | National Women's Soccer League | Cary | 2017 | WakeMed Soccer Park |
| North Carolina FC | USL Championship | Cary | 26 January 2006 | WakeMed Soccer Park |
| North Jersey Imperials | USL First Division, USL Second Division, USL League Two | — | 1994 | — |
| Northern Arizona Prospectors | USL League Two | Arizona | 1998 | Bradshaw Mountain High School |
| Northern Colorado Cutthroats | Premier Arena Soccer League | — | 2007 | — |
| Northern Colorado Hailstorm FC | The League for Clubs, USL League One | — | 12 January 2021 | — |
| Northern Nevada Aces | National Premier Soccer League | — | 2001 | — |
| Northern Virginia FC | USL League Two | — | 1998 | — |
| NSC United | National Premier Soccer League | — | 2005 | — |
| NTX Rayados | — | Dallas | 2011 | — |