ClubLocationLeagueTierFounded
C'Chartres—National 3—2018
CFCSSHK—Hong Kong Second Division—2018
CS Le Locle—2. Liga - ANF—2018
CS Sébaco—Liga Primera de Nicaragua—2018
CSM Olimpia Satu Mare—Liga III—2018CSM Târgu Mureș—Dissolved 2019—2018CSM Vaslui—Liga III—2018CSU Alba Iulia—Liga III—2018
Cape Umoya United—Dissolved 2021—2018
Cavalry—Canadian Premier League—2018
Cedar Stars Rush—USL League Two - Metropolitan Division—2018Chattanooga Red Wolves—USL League One—2018
Città di Anagni—Eccellenza Lazio—2018
Ciudad Nueva Santa Cruz—ACF - Primera A—2018Cleveland SC—NPSL - Great Lakes Conference—2018Dalton Red Wolves—USL League Two - South Central Division—2018
Dejan—Liga Nusantara—2018
Deportivo PF—Ascention Tournament—2018
Dhaka City—Dissolved 2021—2018
Dilijan—Dissolved 2020—2018
Dubai City—UAE Second Division League—2018ESM Brétignolles-Brem—Régional 3 - Pays de la Loire—2018
ESPM—DBU København Serie 2—2018
Edelserpentin—II. Liga Süd - Burgenland—2018El Paso Locomotive—USL Championship—2018
EurAfrica—Division Two League - GARFA—2018
Evo United—Dissolved Inactive—2018FC Cincinnati—MLS—2018FC Columbus—NPSL - Great Lakes Conference—2018
FC Košice—I Liga—2018