Armenia was represented at the Junior Eurovision Song Contest 2017 which took place on 26 November 2017 in Tbilisi, Georgia. The Armenian broadcaster Armenian Public Television (ARMTV) was responsible for organising their entry for the contest. Michael Grigoryan, also known as Misha, was internally selected on 18 July 2017 as the Armenian representative. His song for the contest, "Boomerang", was revealed on 23 October 2017.
Prior to the 2016 contest, Armenia had participated in the Junior Eurovision Song Contest nine times since its first entry in 2007, with their best result being in when they won with the song "Mama", performed by Vladimir Arzumanyan. Armenia went on to host the Junior Eurovision Song Contest 2011 in the Armenian capital Yerevan.
The Armenian broadcaster announced on 18 July 2017 that the Armenian entrant for the Junior Eurovision Song Contest 2017 was Michael Grigoryan. Prior to Junior Eurovision, he took part in the children's version of New Wave in 2016 with his song "Poqrik Karabakhtsi", getting a second place and being the jury's favorite. His entry for the contest in Georgia, "Boomerang", was presented to the public along with its official music video on 23 October 2017.
During the opening ceremony and the running order draw which both took place on 20 November 2017, Armenia was drawn to perform fourth on 26 November 2017, following the Netherlands and preceding Belarus.