San Antonio is one of the 142 barangays of Quezon City, Metro Manila, Philippines. San Antonio is bounded by the Dario River in the East, Judge Juan Luna Street in the West, Pat Senador and Baler Streets in the south and the Halang Creek in the north. Nearby barangays are Veterans Village, Bahay Toro, Bungad, Katipunan, Del Monte and Paltok.