The Lebanon men's national under-18 and under-19 basketball team is the junior men's national basketball team, administered by Lebanese Basketball Federation, that represents Lebanon in international under-18 and under-19 men's basketball competitions.

[2] The Lebanese junior basketball team secured a place in the 2007 FIBA Under-19 World Championship after earning a third-place finish in the 2006 FIBA Asia Under-18 Championship.

[3][4] While they were unable to advance to the second round of the 2007 World Championship, having lost all three of their preliminary games,[5][6][7][8] they managed to win one classification game and ultimately finished 14th out of 16 teams.

[9][10][11][12] The team qualified for the 2022 FIBA U18 Asian Championship Semi-Finals, securing a second appearance in the FIBA Under-19 Basketball World Cup after more than a decade since their last appearance on the world stage.

[13] In the 2023 FIBA Under-19 Basketball World Cup, Lebanon men's U19 team concluded the competition in 15th place out of 16 teams, winning their last game against the host nation, Hungary, by a score of 73–66.