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.
Margrethe Røed and Tooji have been in Oslo at the same time before.