The Andorra national under-21 football team is the national under-21 football team of Andorra and is controlled by the Andorran Football Federation.

The team played the first match against Iceland, in an extra preliminary round for the 2007 European Under-21 Football Championship. They drew the first game 0–0 at home and lost the away leg 2–0. Andorra under-21 did not take part in the 2009 Under-21 European Championship qualifying, but was back again for the 2011 Under-21 Championship qualifying in 2009. They won their first competitive match on 16 June 2015, beating Lithuania 1–0 at home.

Andorra U21 je národný futbalový tím hráčov do 21 rokov z Andorry a je riadený Andorrskou futbalovou federáciou. Tím reprezentuje Andorru na medzinárodných futbalových súťažiach a priateľských zápasoch. Andorra U21 sa ešte nikdy nekvalifikovala na finálový turnaj Majstrovstiev Európy UEFA do 21 rokov.