| Mario Vasilj | |
| Upright: | 1.1 |
| Birth Date: | 23 December 1983 |
| Birth Place: | Sweden |
| Height: | 1.91 m |
| Position: | Central defender |
| Currentclub: | Östers IF (U21 head coach) Östers IF (assistant) |
| Youthclubs1: | Rydaholms GoIF |
| Years1: | 2000–2005 |
| Years2: | 2006–2018 |
| Caps2: | 279 |
| Goals2: | 32 |
| Years3: | 2019 |
| Manageryears1: | 2020– |
| Managerclubs1: | Östers IF (U21) |
| Manageryears2: | 2020– |
| Managerclubs2: | Östers IF (assistant) |
Mario Vasilj (born 23 December 1983) is a Swedish retired football central defender. He is the head coach of Östers IF's U21 team and assistant manager of the club's first team.
Vasilj joined Östers IF in 2006 from amateur side Rydaholms GoIF.[1]
During Östers successful 2010 campaign to win Division 1 Södra, he played every single minute of the season up until the 23rd round,[2] when he tore a PCL.[3] After 12 long years, Vasilj finally left Östers IF after the 2018 season.[4]
After a season with Rydaholms GoIF in 2019, Vasilj decided to retire at the end of the year. On 29 January 2020, he returned to Östers IF as an assistant coach for the first team and head coach of the club's U21 team.[5]