| Niels Leemhuis | |
| Birth Date: | 28 September 1997 |
| Birth Place: | Almelo, Netherlands |
| Height: | 1.77 m |
| Position: | Midfielder |
| Currentclub: | Excelsior '31 |
| Clubnumber: | 20 |
| Years1: | 2016–2017 |
| Clubs1: | Quick '20 |
| Caps1: | 15 |
| Goals1: | 0 |
| Years2: | 2017–2020 |
| Clubs2: | Heracles Almelo |
| Caps2: | 2 |
| Goals2: | 0 |
| Years3: | 2020– |
| Clubs3: | Excelsior '31 |
| Caps3: | 54 |
| Goals3: | 0 |
| Club-Update: | 20 February 2023 |
Niels Leemhuis (born 28 September 1997) is a Dutch professional footballer who plays as a midfielder for Excelsior '31.