The Spain national junior handball team is the national under–20 handball team of Spain. Controlled by the Royal Spanish Handball Federation, it represents Spain in international matches.

The Spain U21 Handball Team is the national youth team representing Spain in international under-21 handball competitions. Known for their skill, agility, and tactical discipline, the team serves as a vital development stage for future stars of Spanish handball. Comprising talented young athletes from various clubs across Spain, the Spain U21 team competes in tournaments such as the IHF Men's Youth World Championship and European U21 Championships. They are recognized for their strong defensive organization, dynamic attacking play, and commitment to teamwork, reflecting Spain's rich handball tradition and dedication to nurturing emerging talent for the senior national team.