Andorra participated in the Eurovision Song Contest 2006 with the song "Sense tu" written by Rafael Artesero and Joan Antoni Rechi. The song was performed by Jenny, who was internally selected by the Andorran broadcaster Ràdio i Televisió d'Andorra (RTVA) to represent Andorra at the 2006 contest in Athens, Greece. The song, "Sense tu", was presented to the public on 8 March 2006 during a special gala show entitled Alguna cosa batega.

The Eurovision Song Contest 2006 was the 51st edition of the Eurovision Song Contest. It took place in Athens, Greece, following the country's victory at the 2005 contest with the song "My Number One" by Helena Paparizou. Organised by the European Broadcasting Union (EBU) and host broadcaster Hellenic Broadcasting Corporation (ERT), the contest was held at the Nikos Galis Olympic Indoor Hall, and consisted of a semi-final on 18 May, and a final on 20 May 2006. The two live shows were presented by American television personality Maria Menounos and Greek former contestant Sakis Rouvas.