The Spain men's national under-21 field hockey team represents Spain in men's international under-21 field hockey competitions and is controlled by the Royal Spanish Hockey Federation, the governing body for field hockey in Spain.

The team competes in the EuroHockey U21 Championships and has qualified for all editions of the Junior World Cups except the 1985 edition.

Their biggest successes where the bronze medal at the 2005 Junior World Cup and 2023 edition and their four titles at the EuroHockey U21 Championships.

[2] Caps updated as of 20 July 2024, after the match against the Netherlands.

The following players have also been called up to the squad within the last twelve months.