The Mixed Doubles tournament of the 2012 BWF World Junior Championships was held from October 30 until November 3. Alfian Eko Prasetya and Gloria Emanuelle Widjaja were the defending champion.
Edi Subaktiar and Melati Daeva Oktaviani won the title after defeating the defending champion Alfian Eko Prasetya and his new partner Shella Devi Aulia 21-17, 21-13 in the final. It was the second straight years for Indonesia to make all-Indonesian final in the mixed doubles.
References
2012 BWF World Junior Championships – Mixed doubles Wikipedia(Text) CC BY-SA