| William Lundin | |
| Fullname: | William Stefan Lundin |
| Birth Date: | 12 September 1992 |
| Birth Place: | Gävle, Sweden |
| Height: | 1.83 m |
| Position: | Defender |
| Currentclub: | Degerfors IF (head coach) |
| Youthyears1: | –2004 |
| Youthclubs1: | Strömsbro IF |
| Youthyears2: | 2004–2011 |
| Youthclubs2: | IFK Göteborg |
| Years1: | 2012–2013 |
| Clubs1: | Gefle IF |
| Caps1: | 0 |
| Goals1: | 0 |
| Manageryears1: | 2014 |
| Managerclubs1: | Örgryte IS (youth coach) |
| Manageryears2: | 2015–2016 |
| Managerclubs2: | Ljungskile SK (U19 coach) |
| Manageryears3: | 2017 |
| Managerclubs3: | Stenungsunds IF |
| Manageryears4: | 2018–2022 |
| Managerclubs4: | FC Trollhättan |
| Manageryears5: | 2023 |
| Managerclubs5: | IFK Göteborg (assistant) |
| Manageryears6: | 2023 |
| Managerclubs6: | IFK Göteborg (caretaker) |
| Manageryears7: | 2024– |
| Managerclubs7: | Degerfors IF |
William Stefan Lundin (born 12 September 1992) is a Swedish football manager and former player, who is the head coach of Superettan club Degerfors IF.[1] [2] [3] [4] [5] [6] [7] [8] [9] He is the son of former football manager and player Stefan Lundin.