ClubLocationLeagueTierFounded
Ilkeston Town——Ilkeston Town [1945]—Dissolved in 2010—1945Ilkeston Town [2017]—Northern Premier League - Premier Division—2017Ilkley Town—Northern Counties East League - Division One—1994Ipswich Town Reserves—Premier League 2—1878Ipswich Wanderers—Isthmian League - North Division—1980Irlam—North West Counties League - Premier Division—1969Islington Admiral United——Itchen Saints——Jarrow—Northern League - Division Two—1894Jarrow Roofing—Dissolved in 2018—1987Kendal Town—North West Counties League - Premier Division—1919Kent Football United—Dissolved in 2022—1999Kettering Town—Southern League - Premier Division Central—1872Kidderminster Harriers—National League North—1886Kidlington—Southern League - Division One Central—1909Kidsgrove Athletic—Northern Premier League - Division One West—1952Kimberley Town—Dissolved in 2012—1886King's Lynn—Dissolved in 2009—1879King's Lynn Town—National League North—2010Kings Langley—Southern League - Division One Central—1886Kings Lynn Town——Kings Park Rangers—Eastern Counties League - Division One North—2023Kingstonian—Isthmian League - South Central Division—1885Kintbury Rangers—Wiltshire League - Premier Division—1890Knaresborough Town—Northern Counties East League - Premier Division—1902Konger—Manchester Saturday Morning League—2021Lakin Rangers—Dissolved in 20??—UNKLammack Juniors——Lancaster City—Northern Premier League - Premier Division—1911