Joaquín Martínez Gauna is a 23-year-old professional football player from ESP. He plays primarily as a Defender. He stands at 183cm tall and weighs 74kg. His preferred foot is Left. His current market value is estimated at 10M .

His most recent move was a Free from Sevilla FC to RC Strasbourg Alsace on 2026-08-30. The reported fee was 10M €.

Throughout the La Liga 2025-2026, Joaquín Martínez Gauna featured in 21 matches, averaging 0.5 tackles, 0.1 interceptions, and 0.2 clearances per game, while blocking 0.1 shots per game.