Hector Alonso Cosio is a professional footballer from ESP and is currently 33 years old. He is on the books of CD Cayon and wears shirt number 18. His main role on the pitch is Forward. He measures 173cm in height and weighs 68kg.

During the Spanish Tercera División RFEF 2025-2026 campaign, Hector Alonso Cosio made 11 appearances, scoring 0 goals and adding 0 assists. He averaged 0 goals per match from 0 shots, with 0 on target.