The Melodi Grand Prix Junior 2012 was Norway's eleventh national Melodi Grand Prix Junior for young singers aged 8 to 15. It was held in Oslo Spektrum, Oslo, Norway and broadcast live Norwegian Broadcasting Corporation (NRK). It was hosted by Margrethe Røed and Tooji, the winner of Norwegian Melodi Grand Prix 2012.
A nine year old could have theoretically competed in the Melodi Grand Prix Junior 2012.