| Florian Heister | |
| Birth Date: | 1997 3, df=yes |
| Birth Place: | Neuss, Germany |
| Height: | 1.79 m |
| Position: | Midfielder |
| Currentclub: | Alemannia Aachen |
| Clubnumber: | 19 |
| Youthyears1: | –2011 |
| Youthclubs1: | Borussia Mönchengladbach |
| Youthyears2: | 2012–2014 |
| Youthclubs2: | SC Kapellen-Erft |
| Years1: | 2014–2017 |
| Clubs1: | Viktoria Köln |
| Caps1: | 16 |
| Goals1: | 1 |
| Years2: | 2017–2019 |
| Clubs2: | TSV Steinbach Haiger |
| Caps2: | 54 |
| Goals2: | 2 |
| Years3: | 2019–2021 |
| Clubs3: | Jahn Regensburg |
| Caps3: | 19 |
| Goals3: | 0 |
| Years4: | 2021–2024 |
| Clubs4: | Viktoria Köln |
| Caps4: | 38 |
| Goals4: | 0 |
| Years5: | 2024– |
| Clubs5: | Alemannia Aachen |
| Caps5: | 17 |
| Goals5: | 0 |
| Club-Update: | 3 October 2024 |
Florian Heister (born 2 March 1997) is a German professional footballer who plays as a midfielder for Alemannia Aachen.[1]