The Greece men's national under-20 basketball team (Greek: Εθνική ομάδα καλαθοσφαίρισης Νέων Ανδρών Ελλάδας, (Greek young men's national basketball team) is the representative for Greece in international Under-20 age basketball competitions, and it is organized and run by the Hellenic Basketball Federation (E.O.K.). The Greece men's national under-20 basketball team represents Greece at the FIBA U20 EuroBasket. It was previously known as the Greek Under-22 national basketball team.

The Greece U20 basketball team is the national youth team representing Greece in international under-20 competitions. Known for their disciplined play, strong fundamentals, and strategic teamwork, the team serves as a vital development stage for future Greek basketball stars. Comprising the country's most talented young players, Greece U20 competes in tournaments such as the FIBA U20 European Championship, where they aim to showcase their skills, gain valuable experience, and strive for success on the European stage. The team embodies Greece's rich basketball tradition, combining technical proficiency with a passionate competitive spirit.