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a The home stadium of the club is located in Bantay, Ilocos Sur, a nearby town of Vigan. For administrative and marketing purposes, the home city of Ilocos United is designated as "Vigan"
AFC Cup (Group Stage: Ceres–Negros, Global Cebu; Zonal Semifinal: Ceres–Negros, Global Cebu; Zonal Final: Ceres–Negros; Inter Zone Semifinal: Ceres–Negros)
Singapore Cup (Preliminary: Ceres–Negros, Global Cebu; Quarterfinal: Global Cebu; Semifinal: Global Cebu; Final: Global Cebu)