The San Marino national U-19 football team is the national under-19 football team of San Marino and is controlled by the San Marino Football Federation.

The team's head coach is Roberto Marcucci.

They compete in UEFA European Under-19 Football Championship qualifying rounds every year. They have played 33 official games with 32 defeats and only one draw.

On August 30, 2022. San Marino U19 achieved its first victory in a 4–0 win against Gibraltar.

サンマリノ代表U-19は、19歳以下の選手で構成されるサンマリノのサッカーナショナルチームである。UEFA U-19欧州選手権に出場しているが、本大会出場は果たしたことがない。