| Lenny Janko | |
| Birth Date: | 5 February 2002 |
| Birth Place: | Zürich, Switzerland |
| Height: | 1.86 m |
| Position: | Defender |
| Currentclub: | Aarau |
| Clubnumber: | 22 |
| Youthyears1: | –2016 |
| Youthclubs1: | Zürich |
| Youthyears2: | 2016–2018 |
| Youthclubs2: | Red Star Zürich |
| Youthyears3: | 2018–2020 |
| Youthclubs3: | Zürich |
| Years1: | 2020 |
| Caps1: | 1 |
| Goals1: | 0 |
| Years2: | 2020–2024 |
| Caps2: | 86 |
| Goals2: | 4 |
| Years3: | 2024– |
| Caps3: | 0 |
| Goals3: | 0 |
| Club-Update: | 25 May 2024 |
Lenny Janko (born 5 February 2002) is a Swiss professional footballer who plays as a right-back for Aarau.
On 14 June 2024, Janko signed a two-season contract with Aarau.[1]
Janko was born in Switzerland to a Gambian father and an Italian mother. He is the brother of fellow professional footballer Saidy Janko.[2]