The mixed doubles event for 2009 BWF World Junior Championships was held on 28 October–1 November 2009. Maneepong Jongjit and Rodjana Chuthabunditkul became the first Thai players along with Ratchanok Intanon in girls' singles event to win the world junior championships.
Seeds
Lu Kai / Bao Yixin (semi-final) Liu Peixuan / Xia Huan (semi-final) Maneepong Jongjit / Rodjana Chuthabunditkul (champion) Jacco Arends / Selena Piek (fourth round) Ng Ka Long / Tse Ying Suet (third round) Niclas Nohr / Lena Grebak (second round) Kevin Alexander / Suci Rizki Andini (fourth round) Pranav Chopra / Prajakta Sawant (fourth round) Mark Middleton / Alyssa Lim (second round) Akira Kobayashi / Naoko Fukuman (fourth round) Ow Yao Han / Lai Pei Jing (quarter-final) Tan Wee Tat / Lai Shevon Jemie (third round) Nipitphon Puangpuapech / Artima Serithammarak (quarter-final) Clinton Liu / May-Lee Lindeman (second round) Andreas Heinz / Fabienne Deprez (second round) Max Schwenger / Isabel Herttrich (third round)
Draw Finals
Top half
Section 1
Section 2
Section 3
Section 4
Bottom half
Section 5
Section 6
Section 7
Section 8
References