| Florian Hartherz | |
| Birth Date: | 29 May 1993 |
| Birth Place: | Offenbach am Main, Germany |
| Height: | 1.84 m |
| Position: | Left-back |
| Currentclub: | Miedź Legnica |
| Clubnumber: | 26 |
| Youthyears1: | 1997–2002 |
| Youthclubs1: | TV Hausen |
| Youthyears2: | 2002–2003 |
| Youthclubs2: | Kickers Offenbach |
| Youthyears3: | 2003–2004 |
| Youthclubs3: | SpVgg Dietesheim |
| Youthyears4: | 2004–2005 |
| Youthclubs4: | SG Rosenhöhe Offenbach |
| Youthyears5: | 2004–2009 |
| Youthclubs5: | Eintracht Frankfurt |
| Youthyears6: | 2010–2011 |
| Youthclubs6: | VfL Wolfsburg |
| Years1: | 2011 |
| Caps1: | 2 |
| Goals1: | 0 |
| Clubs1: | VfL Wolfsburg II |
| Years2: | 2011–2013 |
| Caps2: | 26 |
| Goals2: | 1 |
| Clubs2: | Werder Bremen II |
| Years3: | 2011–2013 |
| Caps3: | 10 |
| Goals3: | 0 |
| Clubs3: | Werder Bremen |
| Years4: | 2013–2016 |
| Caps4: | 46 |
| Goals4: | 1 |
| Clubs4: | SC Paderborn |
| Years5: | 2016–2020 |
| Caps5: | 116 |
| Goals5: | 4 |
| Clubs5: | Arminia Bielefeld |
| Years6: | 2020–2022 |
| Caps6: | 32 |
| Goals6: | 1 |
| Clubs6: | Fortuna Düsseldorf |
| Years7: | 2022–2023 |
| Caps7: | 8 |
| Goals7: | 0 |
| Clubs7: | Maccabi Netanya |
| Years8: | 2023 |
| Caps8: | 15 |
| Goals8: | 1 |
| Clubs8: | Podbeskidzie |
| Years9: | 2023– |
| Caps9: | 14 |
| Goals9: | 0 |
| Clubs9: | Miedź Legnica |
| Nationalyears1: | 2009–2010 |
| Nationalcaps1: | 6 |
| Nationalgoals1: | 0 |
| Nationalteam1: | Germany U17 |
| Nationalyears2: | 2010–2011 |
| Nationalcaps2: | 8 |
| Nationalgoals2: | 0 |
| Nationalteam2: | Germany U18 |
| Nationalyears3: | 2011–2012 |
| Nationalcaps3: | 7 |
| Nationalgoals3: | 0 |
| Nationalteam3: | Germany U19 |
| Nationalyears4: | 2012–2013 |
| Nationalcaps4: | 4 |
| Nationalgoals4: | 0 |
| Nationalteam4: | Germany U20 |
| Club-Update: | 29 May 2024 |
Florian Hartherz (born 29 May 1993) is a German professional footballer who plays as a left-back for Polish club Miedź Legnica.[1]