Gideon Jung (born 12 September 1994) is a German professional footballer who currently plays as a defender or defensive midfielder for Hamburger SV.
He made his professional debut on 13 September 2013 for Rot-Weiß Oberhausen in a Regionalliga West match against Sportfreunde Lotte. On 5 April 2014, Jung scored his first professional goal in a game against SC Wiedenbrück 2000. He went on to make 22 appearances in the 2013-14 season before transferring to Hamburger SV on 1 July 2014.
Upon arrival at Hamburger SV, Jung was immediately sent down to the second team, Hamburger SV II. On 26 July 2014, Gideon made his debut for the side in a 4–0 rout of Goslarer SC 08. On 26 October 2014, Gideon scored 1 of 10 goals for the team during a 10–0 rout of FT Braunschweig. During the 2014–15 season, Gideon appeared 23 times for Hamburger SV II, but wasn't able to make his debut for Hamburger SV.