The Serbia men's national under-18 basketball team (Serbian Cyrillic: Кошаркашка репрезентација Србије до 18 година) is the boys' basketball team, administered by Basketball Federation of Serbia, that represents Serbia in international under-18 (under age 18) men's basketball competitions, consisting mainly of the FIBA Europe Under-18 Championship.

The event was originally referred to as the European Championship for Juniors.

The national team played as FR Yugoslavia from 1993 to 2003, and as Serbia and Montenegro from 2004 to 2006.