Hungary competed at the 2014 Summer Youth Olympics, in Nanjing, China from 16 August to 28 August 2014.
Hungary qualified ten athletes.
<small>Qualification Legend: Q=Final A (medal); qB=Final B (non-medal); qC=Final C (non-medal); qD=Final D (non-medal); qE=Final E (non-medal)</small>
Hungary qualified a boys' and girls' team based on the 1 June 2014 FIBA 3x3 National Federation Rankings.
Hungary qualified three boxers based on its performance at the 2014 AIBA Youth World Championships
Hungary qualified three boats based on its performance at the 2013 World Junior Canoe Sprint and Slalom Championships.
Hungary qualified a boys' and girls' team based on its ranking issued by the UCI.
Hungary qualified four athletes based on its performance at the 2014 FIE Cadet World Championships.
Hungary qualified one athlete based on its performance at the 2014 European MAG Championships and another athlete based on its performance at the 2014 European WAG Championships.
Hungary qualified two athletes based on its performance at the 2013 Cadet World Judo Championships.
Hungary qualified one athlete based on its performance at the European YOG Qualifiers and another based on its performance at the 2014 Youth A World Championships.
Hungary qualified two boats based on its performance at the 2013 Byte CII World Championships.
Hungary qualified one shooter based on its performance at the 2014 European Shooting Championships.
Hungary qualified eight swimmers.
Hungary qualified one athlete based on its performance at the 2014 world qualification event and another based on its performance at the European qualification tournament.
<small>Qualification legend: Q=main bracket (medal); qB=consolation bracket (non-medal)</small>
Hungary qualified three athletes based on the 9 June 2014 ITF world junior rankings.
Hungary qualified two athletes based on its performance at the 2014 European Youth Olympic Games qualifier.
Hungary was given a reallocation spot for being a top ranked nation not yet qualified.