ClubLocationLeagueTierFounded
Interoeste—AF Lisboa - 1ª Divisão—2021
JET Kintana—Malagasy Pro League—2021
JFK Ventspils—Latvijas Nākotnes Līga—2021
Jacobinense—Campeonato Baiano - 2ª Divisão—2021
Kairat Moskva—Dissolved 2022—2021
Kamza 05—Dissolved 2021—2021
Kathmandu Rayzrs—Nepal Super League—2021
Kings Hammer—USL League Two - Valley Division—2021
Konger—Manchester Saturday Morning League—2021
Kralj Tomislav—1. Zagrebačka NL—2021Krasava—Dissolved 2022—2021
Lae City Dwellers—PNG National Soccer League—2021Lalitpur City—Nepal Super League—2021
Lamezia Terme—Serie D - Girone I—2021
Le Pays du Valois—National 3—2021Lexington SC—USL League One—2021
Loto-Popo—Championnat National du Bénin—2021
MFK Slavoj Bruntál—Přebor Moravskoslezského Kraje—2021
Marumo Gallants—South African Premiership—2021
Matebele—Botswana Premier League—2021
Metropol—III Liiga—2021Minnesota United 2—MLS Next Pro—2021Monsoon—Campeonato Gaúcho - Série A—2021Monterey Bay—USL Championship—2021
Nautsa’mawt—Dissolved 2023—2021New York City FC II—MLS Next Pro—2021Noah Jūrmala—Dissolved 2021—2021Northern Colorado Hailstorm—The League for Clubs—2021Northern Virginia FC—USL League Two - Chesapeake Division—2021Nova Venécia—Campeonato Capixaba - Série A—2021