Ayu Diandra Sari (born 4 August 1988) is an Indonesian presenter,[1][2] doctor,[3] fashion model and a beauty pageant titleholder who won the title of Puteri Indonesia Lingkungan 2008.

[4][5] She represented Indonesia at the Miss International 2009 pageant in Chengdu, China.

[6] Ayu was born in Denpasar, Bali to traditional Balinese-Hindu parents.

[12][13] As Puteri Indonesia Lingkungan 2008, Ayu represented Indonesia at the 49th edition of Miss International 2009 pageant held in Sichuan International Tennis Center, Chengdu, Sichuan, China.

[16][17][18] She wore a one-piece swimsuit during swimwear competition[19] and a kebaya designed by Anne Avantie as her national costume.