| Jannes Horn | |
| Full Name: | Jannes-Kilian Horn |
| Height: | 1.86 m[1] |
| Birth Date: | 1997 2, df=yes |
| Birth Place: | Braunschweig, Germany |
| Position: | Left-back |
| Currentclub: | St. Louis City (on loan from 1. FC Nürnberg) |
| Clubnumber: | 38 |
| Youthyears1: | –2008 |
| Youthclubs1: | Rot-Weiß Braunschweig |
| Youthyears2: | 2008–2016 |
| Youthclubs2: | VfL Wolfsburg |
| Years1: | 2016–2017 |
| Clubs1: | VfL Wolfsburg II |
| Caps1: | 4 |
| Goals1: | 0 |
| Years2: | 2016–2017 |
| Clubs2: | VfL Wolfsburg |
| Caps2: | 13 |
| Goals2: | 0 |
| Years3: | 2017–2022 |
| Clubs3: | 1. FC Köln |
| Caps3: | 69 |
| Goals3: | 0 |
| Years4: | 2019–2020 |
| Clubs4: | → Hannover 96 (loan) |
| Caps4: | 21 |
| Goals4: | 0 |
| Years5: | 2022–2023 |
| Clubs5: | VfL Bochum |
| Caps5: | 2 |
| Goals5: | 0 |
| Years6: | 2023 |
| Clubs6: | → 1. FC Nürnberg (loan) |
| Caps6: | 7 |
| Goals6: | 0 |
| Years7: | 2023– |
| Clubs7: | 1. FC Nürnberg |
| Caps7: | 27 |
| Goals7: | 0 |
| Years8: | 2024– |
| Clubs8: | → St. Louis City (loan) |
| Caps8: | 0 |
| Goals8: | 0 |
| Nationalyears1: | 2012–2013 |
| Nationalteam1: | Germany U16 |
| Nationalcaps1: | 5 |
| Nationalgoals1: | 1 |
| Nationalyears2: | 2014–2015 |
| Nationalteam2: | Germany U18 |
| Nationalcaps2: | 5 |
| Nationalgoals2: | 0 |
| Nationalyears3: | 2015–2016 |
| Nationalteam3: | Germany U19 |
| Nationalcaps3: | 11 |
| Nationalgoals3: | 0 |
| Nationalyears4: | 2016–2017 |
| Nationalteam4: | Germany U20 |
| Nationalcaps4: | 2 |
| Nationalgoals4: | 0 |
| Nationalyears5: | 2017 |
| Nationalteam5: | Germany U21 |
| Nationalcaps5: | 2 |
| Nationalgoals5: | 0 |
| Club-Update: | 22 May 2024 |
Jannes-Kilian Horn (born 6 February 1997) is a German professional footballer who plays as a left-back for Major League Soccer club St. Louis City on loan from 1. FC Nürnberg.
Horn spent his youth career at VfL Wolfsburg, where he was promoted to the first team during the 2016–17 season.[2] In June 2017, Horn joined 1. FC Köln who had recently qualified for the UEFA Europa League.[3]
On 15 August 2019, Horn joined Hannover 96 on a loan deal until the end of 2019–20 season.[4] After Timo Hübers was infected with COVID-19, all Hannover 96 players were tested, but only Horn was tested positive. According to the club, his case had no connection to Hübers' case.[5]
On 25 July 2022, Horn signed a two-year deal with VfL Bochum.[6] On 7 January 2023, he moved on loan to 1. FC Nürnberg in 2. Bundesliga.[7]
On 29 June 2023, Horn signed a permanent contract with 1. FC Nürnberg.[8]
On 2 August 2024, Horn moved on loan to St. Louis City until 30 June 2025, with an option to buy.[9]