The 2013 Asian Youth Games or AYG 2013 (Chinese: 2013年亚洲青年运动会; pinyin: Èr Líng yī sān Nián Yàzhōu Qīngnián Yùndònghuì), officially the 2nd Asian Youth Games (Chinese: 第二届亚洲青年运动会; pinyin: Dìèr Jiè Yàzhōu Qīngnián Yùndònghuì) and commonly as Nanjing 2013 (Chinese: 南京2013; pinyin: Nánjīng Èr Líng yī sān), were held in Nanjing, China from August 16–24, 2013.

Like the inaugural edition, the games acted as dress-rehearsal for the 2014 Summer Youth Olympics, which were also held in the same city.

The mascot for the 2013 Asian Youth Games was unveiled in Nanjing on 31 October 2012.

[1] Officially, there were a total of 112 events in 16 sports, 6 more than that of the previous edition held at Singapore.

[2] According to the Games' official website, Indian athletes participated the Games under the Olympic flag because the Indian Olympic Association was suspended due to political interference in December 2012.