Óscar de Marcos is a 37-year-old professional football player from ESP. He plays primarily as a Defender. He stands at 180cm tall and weighs 78kg. His preferred foot is Right. His current market value is estimated at 1.5M €.

His most recent move was a Loan Return from Athletic Club to on 2025-07-01.

Throughout the Supercopa de España 2025, Óscar de Marcos featured in 1 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.