Faustino "Inno" Arcega Dy V (born September 13, 1991) is a Filipino politician who has served as Mayor of Echague since 2025. He represented the 6th District of Isabela at the House of Representatives of the Philippines from 2019 to 2025. He previously served as the national president of Liga ng mga Barangay from 2018 to 2019. He is the son of House Speaker Bojie Dy.